✨ ap world survival packs are ready!
📑 Document Based Questions (DBQ)
🚀 Thematic Guides
Theme 1 (ENV) - Humans and the Environment
Theme 2 (CDI) - Cultural Developments and Interactions
Theme 3 (GOV) - Governance
Theme 4 (ECON) - Economic Systems
Theme 5 (SOC) - Social Interactions and Organizations
Theme 6 (TECH) - Technology and Innovation
🗺 Regional Guides
The Pacific from 1200 to the Present
🐎 Unit 1: The Global Tapestry
1.0Overview of Unit 1: The Global Tapestry
1.1East Asia from 1200-1450
1.2Dar al-Islam from 1200-1450
1.4The Americas from 1200 to 1450
1.6Europe from 1200 to 1450
🐫 Unit 2: Networks of Exchange
2.0Overview of Unit 2: Networks of Exchange
2.3Indian Ocean Trade Routes
2.4Trans-Saharan Trade Routes
2.5Cultural Effects of Trade
2.6Environmental Effects of Trade
🕌 Unit 3: Land-Based Empires
3.0Overview of Unit 3: Land-Based Empires
3.1Expansion of Land-Based Empires
3.2Governments of Land-Based Empires
🍕 Unit 4: Transoceanic Interconnections
4.0Overview of Unit 4: Transoceanic Interconnections
4.1New Technologies from 1450-1750
4.4Maritime Empires Established
4.5Expansion of Maritime Empires
4.6Resistance to European Expansion
✊ Unit 5: Revolutions
5.2Revolutions from 1750-1900
5.5Technology in the Industrial Age
5.7Economic Effects of Industrialization
🚂 Unit 6: Consequences of Industrialization
6.0Overview of Unit 6: Consequences of Industrialization
💣 Unit 7: Global Conflict
7.0Overview of Unit 7: Global Conflict
7.6Causes of World War II
🥶 Unit 8: Cold War & Decolonization
8.0Overview of Unit 8: Cold War & Decolonization
8.2The Cold War
8.3Effects of the Cold War
8.4Spread of Communism After 1900
8.5Decolonization After 1900
8.6Newly Independent States After 1900
8.8End of the Cold War
✈️ Unit 9: Globalization
🤓 Historical Thinking Skills
Causation in the AP Histories
Comparison in the AP Histories
👉 Introduction to AP World
⏱️ 8 min read
June 25, 2020
👉The one thing you need to know about this theme:
Humans and the environment impact each other
Geography, disease, and the environment help or limit human growth and expansion, and human actions impact all aspects of the environment.
The environment shapes human societies, and as populations grow and change, these populations, in turn, shape their environments.
How does the environment shape human societies, and how do humans shape their environments as populations grow and change?
|demographics/demography||patterns of settlement|
|monsoon winds||epidemic disease|
|Columbian Exchange||soil depletion|
Agriculture is farming, and it includes raising both plants and animals to provide resources for human consumption (mostly food, but also textiles, tools, etc.) Of all the environmental effects humans have had on World History, agriculture is one of the earliest and the biggest. It is really the context for all of Modern World History (and WAY predates this era), but the development of agriculture impacted humans AND the environment, so it’s a good example to keep in mind because...
Agriculture gave humans greater control over their environments
Agriculture transformed the environment, often negatively, as humans literally shaped the earth they lived on.
An example of agriculture in action in this period is in the Song Dynasty: Champa rice 🍚, a drought-resistant strain of rice from SE Asia, spread into southern China allowed the population to skyrocket because it provided a stable source of food that could reliably be transported across the empire. Maize, or corn, had a similar effect as it spread throughout the Americas from Mexico. These nutritious grains provided easy calories, and populations boomed where they spread.
Humans also modified their environments through agriculture. In Mesoamerica, the geography is characterized by large lakes and wetlands, which required adaptations to become farmland for humans. The Aztecs and other Mesoamerican civilizations used a style of farming known as chinampas, which were artificial islands built on the lake surface itself.
In the Andes and parts of China, the mountain terrain made farming difficult as well. In both regions, terrace farming was developed independently to solve this problem. Terraces are flat areas carved into or built up from the slope to create flat shelf-like fields for farming. This innovation transformed the environment in mountainous regions to create hundreds of acres of new farmland.
Knowledge of the environment also helped humans shape their destinies. In the Indian Ocean, knowledge of monsoon winds allowed sailors who learned to navigate these wind currents an expanded range of trade. The monsoon winds are predictable shifts in wind patterns that blow across the Indian Ocean. These winds blow roughly from the southwest between May and September, and from the northeast between October and April. Sailors who knew these patterns could plan their voyages to cross long distances at the right time of year, and could sail far beyond the reaches of shorter-range coastal ships.
Knowledge of the monsoon winds spread human communities in Africa and Asia, including the Polynesians who migrated from SE Asia to Madagascar and then turned their knowledge of seafaring to help populate the islands of Oceania.
As exchange networks grew and intensified in this period, environmental impacts including the spread of disease, such as the Black Plague 💀. The spread of disease was largely unintentional, as infected animals and people traveled with merchants along the exchange networks, spreading the disease in new communities. However, the Mongol Empire did use the bodies of plague-infected people as weapons in biological warfare in the Mediterranean. As sickness spread across trade networks in Eurasia, it had devastating consequences on populations (30-60% population decline in Europe, and similar rates in the Middle East and China).
Another environmental consequence of trade was the diffusion of crops along with exchange networks. As the networks grew and intensified during this era, crops spread from their regions of origin to new regions, including the spread of bananas from SE Asia to E. Africa and citrus fruits indigenous to SE Asia and Oceania spreading to the Mediterranean. Unlike the spread of disease, the diffusion of these crops was more intentional, as people brought foods they encountered through trade to cultivate them closer to home.
In this era, most of the ENV stuff boils down to the Columbian Exchange! This process of transferring plants, animals, people, and disease between Afro-Eurasia and the Americas had significant impacts on the environment, plants, animals, and human populations.
Afro-Eurasian crops including fruit trees, grains, and sugar were transferred to the Americas, along with the agricultural techniques necessary to grow and harvest them. As land was cleared for single-crop agriculture, soil-depletion was an environmental challenge in the Americas.
Other crops, including okra and rice, were brought by enslaved Africans and became staple foods of African populations in the Americas.
Afro-Eurasian domesticated animals including horses, pigs, and cattle transformed both the environment (including clearing land to raise these animals) and the human populations of the Americas. 🐴🐮🐷
Deforestation was significant in regions where these animals were raised because they require a lot of open land for grazing, and Europeans cut down forests to create pastures.
Some indigenous peoples on the North American plains gave up a settled lifestyle in favor of hunting and gathering because the arrival of horses made it so much more successful.
Afro-Eurasian diseases including smallpox and measles had devastating consequences on indigenous American populations. Estimates of the death toll in the Americas range from 50% to 90%, largely due to Afro-Eurasian disease.
American crops including maize (corn), beans, tomatoes, potatoes, and cassava radically transformed the diets of people in Afro-Eurasia by providing new, nutrient-rich foods that could be easily grown. The population of Afro-Eurasia more than doubled in this era.
Environmental factors contributed to the advent of industrialization, including:
proximity to waterways (good for transportation)
access to rivers and canals (transportation, and power for early factories)
access to coal, iron, and timber (necessary for shipping, factories, etc.)
improved agricultural productivity (fewer farmers could feed more factory workers)
access to foreign resources (the more land you had, the more resources you could use to industrialize)
Nations such as Great Britain that had all of these environmental factors in place industrialized first and fast.
Growing cities and growing factories needed food and supplies. This led to the growth of export economies around the world that specialized in commercial extraction of natural resources and the production of food and industrial crops, including cotton production in Egypt, rubber extraction in the Amazon and Congo basins, the palm oil trade in West Africa, and diamonds from Africa.
Increased industry led to increased pollution 🏭, especially air and water, which created disastrous living conditions, especially for those in poverty living in urban slums.
Migration patterns in this era were influenced by changes in demographics - growing populations, increased urbanization, lower infant mortality, etc. Some factors pushed migrants away from their homes, such as a lack of land available for farming, while other factors drew migrants toward a particular location, such as an opportunity for employment.
Migration can be described as internal (within an empire/region) or external (between empires/regions) migration. Both types occurred during this era. Internal migrations in this era include the relocation of British workers away from farms and into large cities where they sought jobs in the factories being built there. External migrations were sometimes voluntary, such as Europeans who immigrated to the United States during the 19th century, or involuntary, such as Indian indentured servants who were relocated throughout the British Empire to work in other colonial industries.
Migrants were typically male, due to the job opportunities and gender expectations in regions migrants relocated to. As demographics shifted, women in their home communities took on the roles and responsibilities of men in addition to their own traditional duties.
Migration was also often temporary, with migrants returning to their home societies seasonally or after a number of years. For example, Chinese tin miners in Malaysia were required to return home after three years. Gold and diamond miners in southern Africa would return home seasonally to visit their families who lived in other parts of the region. Sometimes the temporary nature of migration was a choice, but other times employers would require their workers to leave the region periodically to prevent them from making lasting connection to the new regions and establishing communities and support structures that might lead to labor organization or other challenges to colonial authority.
The world’s population increased almost everywhere as medical and scientific developments made it possible to survive disease, warfare, and other previously deadly conditions. The development of antibiotics and vaccines greatly increased lifespans and decreased child mortality in the industrialized world.
Other scientific developments included advances in medical techniques such as improved surgeries and prosthetics and technologies that could undo some of the damage caused by industrial pollution such as water filtration and air purifiers.
Despite these medical advances, some diseases continued to be problematic globally. Diseases associated with poverty include malaria, tuberculosis, and cholera, and continued to kill thousands each year. New epidemic diseases arose throughout the century, including the influenza outbreak in 1918, ebola, and the rise of HIV/AIDS.
Both of these categories of diseases had the strongest effect on the developing world. In the industrialized world, diseases associated with longer lifespans, including heart disease, some cancers, and Alzheimer’s disease, were more significant.
Human activity, especially a continued increase and spread of industrial development and the invention and spread of the automobile, contributed to deforestation, desertification, a decline in air quality, and increased consumption of the world’s supply of freshwater. Humans competed over these and other resources more intensely than ever before.
Conflicts over land pitted farmers, ranchers, industrial manufacturers, and city-dwellers against one another within societies. And conflicts over clean water and air often pitted industrialized and developed nations against one another as they debated economic development vs. environmental preservation.
Wealthy and industrialized nations advocated regulations to limit air and water pollution and to stop rapid deforestation, while developing nations argued that they needed to be free to industrialize without restraint like the wealthier nations had done in the previous century.
The release of greenhouse gases and pollutants into the atmosphere has increased and humans debated the nature and causes of climate change and global warming. Scientists and activists who saw global warming as a human-created crisis pushed for the development of “clean energy” technologies, while those who saw global warming as a natural phenomenon often resisted efforts to undertake significant changes to production, transportation, or lifestyle.
All of the following factors would explain differences between country life expectancy and overall global life expectancy between 1950-2015 EXCEPT:
outbreaks of epidemic diseases such as HIV/AIDS
Industrial pollution and residual health effects
the persistence of poverty even after independence and decolonization
lack of medical infrastructure in developing nations
Using your knowledge of World History and the image above, answer the following in complete sentences.
Identify ONE environmental factor that caused the population change in Europe between 1350-1500 CE.
Identify ONE environmental factor that caused the population change in Europe between 1500-1700 CE.
Explain ONE impact the population trend seen in this map had on European societies from 1450-1750 CE.
In the period 1750-1900, large numbers of people migrated from their homes to other regions both voluntarily and involuntarily.
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