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🌍AP World History: Modern Unit 7 Review

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7.3 Conducting World War I

7.3 Conducting World War I

Written by the Fiveable Content Team • Last updated June 2026
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated June 2026
🌍AP World History: Modern
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TLDR

World War I was the first total war, meaning governments mobilized entire societies, including civilians and colonial populations, to wage war. They used propaganda, art, media, and intensified nationalism to keep people committed, while new military technology drove casualties to unprecedented levels. For AP World History, your job is to explain how governments conducted this war and why it was so destructive.

Conducting World War I Summary

Conducting World War I means explaining how governments fought and sustained the war after it began. The AP focus is total war: states mobilized civilians, colonial subjects, economies, labor systems, media, and nationalist messages for the war effort.

The most important evidence is propaganda and censorship on the home front, colonial troops and labor across empires, and new military technology that increased wartime casualties. In an AP answer, keep the emphasis on how governments conducted the war, not on the alliance systems or assassination that helped cause it.

Why This Matters for the AP World History Exam

This topic centers on one main idea: governments used many methods to conduct World War I, and those methods made it the first total war. That word "conducting" matters. The focus is on how states fought, not just why the war started.

You will use this on the exam to support arguments about how states mobilize populations during conflict, how technology changes warfare, and how war reshapes society on the home front. It connects well to causation and continuity and change reasoning, especially when you compare it to how governments conducted World War II later in Unit 7. The skills here also transfer directly to source analysis, since wartime propaganda is a common type of document you may analyze.

Key Takeaways

  • World War I was the first total war, which means governments mobilized entire populations, both at home and in their colonies, for the war effort.
  • Governments used propaganda, art, media, and intensified nationalism to mobilize people and sustain support.
  • New military technology led to much higher levels of wartime casualties.
  • Imperial powers pulled soldiers and laborers from their colonies, extending the war's reach across the globe.
  • Total war blurred the line between soldiers and civilians, putting the home front at the center of the war effort.
  • Analyzing wartime propaganda builds the same source skills you use on document-based questions.

War on Two Fronts

Germany sat in the center of Europe with enemies on both sides. To handle this, Germany used the Schlieffen Plan, a strategy meant to defeat France quickly in the west before turning to fight Russia in the east.

  • Western Front: Germany invaded Belgium to reach France, which brought Britain into the war. French and British forces stopped the German advance at the Battle of the Marne in 1914, leading to a long stalemate defined by trench warfare.
  • Eastern Front: Germany and Austria-Hungary fought the Russian Empire here. This front covered more territory and moved around more, but Russia's huge army strained German resources.

Because Germany failed to knock out France fast, it had to fight a prolonged two-front war that stretched its troops and supplies. The result was a war of attrition, where lasting longer mattered more than clever tactics.

New Military Technology

World War I brought industrialized warfare. New weapons widened the scale of destruction and made quick victories nearly impossible. This is the part the AP course emphasizes: new technology led to increased levels of wartime casualties.

Notable Military Technologies

Weapon/TechnologyDescription and Impact
Machine GunsRapid-fire weapons made traditional infantry charges far deadlier and often pointless.
Poison GasCaused blindness, suffocation, and panic among troops.
TanksIntroduced by the British to cross trenches; early impact was limited.
Submarines (U-boats)Used by Germany to disrupt Allied shipping, especially in the Atlantic.
FlamethrowersCleared enemy trenches and spread fear.
AirplanesUsed for reconnaissance and dogfights, then adapted for bombing.

Trench warfare created "no man's land," the open ground between opposing trenches where crossing often meant death. Life in the trenches was brutal, with mud, rats, disease, and constant artillery fire. These conditions produced widespread trauma known then as shell shock, which we now understand as PTSD.

The Home Front and Total War

In a total war, civilian life cannot be separated from the war effort. Governments took control of economies and labor to keep their militaries supplied.

Key Features of Total War on the Home Front

  • Rationing: Governments limited civilian use of food, fuel, and goods.
  • War Industries: Civilian factories switched to making weapons, ammunition, and supplies.
  • Women in the Workforce: With many men fighting, women took jobs in factories, farms, and offices.
  • Censorship and Surveillance: Governments controlled the press, pushed propaganda, and silenced critics.
  • Colonial Troops and Labor: Millions of people from colonies were recruited or conscripted to fight or work for the war effort.

The use of colonies as a source of soldiers, labor, and resources continued a pattern from earlier empires, but World War I extended it to a global scale.

Propaganda and Nationalism

Propaganda was a central tool for all major powers. Governments used posters, films, speeches, and press censorship to shape public opinion, raise morale, and justify the sacrifices of war. Intensified nationalism made these messages stick.

Purposes of Wartime Propaganda

  • Demonize the enemy
  • Encourage enlistment and patriotic sacrifice
  • Promote rationing and conservation
  • Frame the war as moral and necessary

Propaganda also targeted colonial populations. Imperial powers framed the war as a chance for subjects in Asia, Africa, and the Pacific to prove loyalty and earn greater standing within the empire.

CountryPropaganda Strategy Example
BritainPosters urging colonies to join the fight
FrancePosters showing African and Vietnamese soldiers as heroic
GermanyAnti-British and anti-Russian caricatures

How to Use This on the AP World History Exam

Using Sources Effectively

Wartime propaganda is a common source type. When you analyze a propaganda poster, ask:

  • What is being portrayed?
  • How is it portrayed?
  • Who is the intended audience?
  • What is the creator's purpose?

These are the same sourcing questions you use on a document-based question, where you analyze a source's point of view, purpose, historical situation, and audience.

Free Response

If a prompt asks how governments conducted war, build your argument around total war. Strong points include mobilizing entire populations, using propaganda and nationalism, converting economies for war, pulling in colonial troops and labor, and adopting new military technology that raised casualties.

Common Trap

The topic is about how governments fought the war, not the causes. Save alliance systems, militarism, and the assassination spark for the causes topic. Here, keep your focus on mobilization, technology, and total war.

Common Misconceptions

  • Total war does not just mean a large war. It means governments mobilized whole societies, including civilians and colonies, and directed economies, labor, and media toward the war effort.
  • Propaganda was not only aimed at home populations. Imperial powers also targeted colonial subjects to recruit soldiers and labor across Asia, Africa, and the Pacific.
  • New technology did not produce quick victories. Weapons like machine guns and poison gas mostly increased casualties and helped create the deadly stalemate of trench warfare.
  • The home front was not separate from the war. Rationing, censorship, and converted factories made civilian life part of the fighting effort.
  • This topic is about conducting the war, not causing it. Do not spend your answer explaining why the war began when the question asks how it was fought.

Vocabulary

The following words are mentioned explicitly in the College Board Course and Exam Description for this topic.

Term

Definition

military technology

New weapons and equipment developed during WWI, such as tanks, poison gas, and aircraft, that increased casualty rates.

mobilize

To organize and prepare populations, resources, and military forces for war.

nationalism

A political ideology emphasizing loyalty to one's nation and the desire for national independence and self-determination.

political propaganda

Information or messaging created and distributed by governments to influence public opinion and support for war efforts.

total war

A form of warfare in which governments mobilize all of a nation's resources and population, including civilians, to support the war effort.

Frequently Asked Questions

What does conducting World War I mean in AP World History?

Conducting World War I means explaining how governments fought and sustained the war after it began. For Topic 7.3, the focus is total war, propaganda, nationalism, colonial mobilization, and new military technology, not the causes of the war.

Why is World War I considered the first total war?

World War I is considered the first total war because governments mobilized entire societies for the war effort. Civilians, colonial populations, economies, labor systems, media, and state policy were all pulled into supporting military goals.

How did governments use propaganda during World War I?

Governments used posters, speeches, films, newspapers, censorship, and nationalist messaging to raise morale, encourage enlistment, justify sacrifice, and maintain public support. Propaganda also targeted colonial subjects across imperial networks.

How did colonies contribute to World War I?

Imperial powers recruited or conscripted people from colonies as soldiers, laborers, and resource suppliers. This made the war global and shows how empires used colonial populations to sustain the war effort.

What military technology matters most for AP World Topic 7.3?

The AP emphasis is that new military technology increased wartime casualties. Useful examples include machine guns, poison gas, submarines, tanks, airplanes, artillery, and trench warfare conditions.

What is a common mistake on Conducting World War I questions?

A common mistake is writing about why World War I started instead of how governments conducted it. If the prompt says conducted, focus on total war, mobilization, propaganda, colonial labor and troops, and technology.

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