🚀 Thematic Guides
Theme 1 (NAT) - American and National Identity
Theme 2 (WXT) - Work, Exchange, and Technology
Theme 3 (GEO) - Geography and The Environment
Theme 4 (MIG) - Migration and Settlement
Theme 5 (PCE) - Politics and Power
Theme 7 (ARC) - American and Regional Culture
Theme 8 (SOC): Social Structures
🌽 Unit 1: 1491-1607
1.1Context: European Encounters in the Americas
1.6Cultural Interactions Between Europeans, Native Americans, and Africans
🦃 Unit 2: 1607-1754
2.0Unit 2 Overview: Contextualization
2.3The Regions of the British Colonies
2.5Interactions between Native Americans and Europeans
2.6Slavery in the Colonies
🔫 Unit 3: 1754-1800
3.6The Influence of Revolutionary Ideals
3.10Shaping a New Republic
🐎 Unit 4: 1800-1848
4.2The Rise of Political Parties and the Era of Jefferson
4.3Politics and Regional Interests
4.8Jackson and Federal Power
4.9The Development of an American Culture
4.10The Second Great Awakening
4.11the age of reform
4.12African Americans in the Early Republic
💣 Unit 5: 1844-1877
5.5Sectional Conflict: Regional Differences
5.6Failure of Compromise
5.7Election of 1860 and Secession
5.9Government Policies during the Civil War
🚂 Unit 6: 1865-1898
6.2Westward Expansion: Economic Development
6.3Westward Expansion Social and Cultural Development
6.6The Rise of Industrial Capitalism
6.7Labor in the Gilded Age
6.9Responses to Immigration
🌎 Unit 7: 1890-1945
7.0Unit 7 Overview: Contextualization
7.3The Spanish-American War
7.5World War I: Military and Diplomacy
7.6World War I: Home Front
7.81920s: Cultural and Political Controversies
7.9The Great Depression
7.10The New Deal
7.11Interwar Foreign Policy
7.12World War II: Mobilization
🥶 Unit 8: 1945-1980
8.2The Cold War from 1945-1980
8.3The Red Scare
8.4Economy after 1945
8.6Early Steps in the Civil Rights Movement
8.7America as a World Power
8.8The Vietnam War
8.10The African American Civil Rights Movement
8.11The Expansion of the Civil Rights Movement
📲 Unit 9: 1980-Present
9.0Unit 9 Overview: Contextualization
9.2Reagan and Conservatism
9.3The End of the Cold War
9.6Challenges of the 21st Century
🧐 Multiple Choice Questions (MCQ)
📋 Short Answer Questions (SAQ)
⏱️ 3 min read
May 30, 2020
Manifest Destiny goes south...but not too far south.
A preface to the Mexican-American War was the Texas War of Independence (1835-1836), where Texas became its own country for a few years after defeating Mexico. This war involved the Alamo and other famous battles like Goliad and San Jacinto (Period 3).
Pro-expansionists, largely Democrats, had long eyed Mexico and other sub-tropical regions for their ability to grow crops that could lead to the expansion of slavery and the associated Southern way of life. Mexico seemed like a prime target.
President James K. Polk was elected on a pro-expansion platform, and his placement of troops in the disputed territory near the Rio Grande River led to conflict with Mexico.
The United States won after two years of battles and negotiations (see map below for an overview), but you largely just need to know the causes and effects of the war.
🎥 Watch: AP US History - Manifest Destiny
The Mexican-American War was an important event as it serves as a link between Manifest Destiny and the Civil War: it is a great example of how Westward expansion led to increasingly bitter and divisive debates over slavery in new territories.
The Wilmot Proviso was an unsuccessful addition to a bill to fund the US army during the war. It argued for a complete ban on slavery in captured territories, which, of course, only made tensions worse. It passed the House of Representatives—hello, Northern population advantage!—but failed in the Senate.
This showcased the necessity for Southerners to keep the balance of states in the Senate as their population totals fell behind those of the North: the Senate, which its equal representation for each state regardless of population, was the safeguard for the South’s interests as the North continued to add to its population advantage in the House and Electoral College.
Image Courtesy of Wikimedia
The United States won the war and annexed the territories north of most of Mexico’s population centers—mostly to avoid annexing Catholics and non-Whites—and thus gained parts of New Mexico, Arizona, Nevada, and California, the area known as the Mexican Cession after the signing of the Treaty of Guadalupe Hidalgo that ended the war.
The Treaty promised citizenship for Native Americans and Mexicans, but was largely ignored: the Mexicans who were remaining in the newly-acquired territory often lost land and property in courts, since white settlers considered them foreigners despite treaty promises, or because of the pressure to sell. Chinese immigrants who worked in the goldfields also suffered discrimination. California was on its way to getting statehood, but the question of its being a slave or free state seemed years away until the California Gold Rush of 1849 forced the issue through the sudden influx of thousands of settlers. See 5.4 for the impact of this.
🎥 Watch: AP US History - Period 5 Review
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