Conflict in the Early 20th Century, 1890–1945

Widespread anti-German sentiment alone swayed public opinion in favor of entering the war.

The Zimmerman Telegram and unrestricted submarine warfare pushed the U.S. towards intervention.

A desire to spread democracy was the primary motivation for U.S. entry into World War I.

Economic ties with the Allies necessitated U.S. involvement to protect investments.

The League of Nations would have likely disbanded immediately after its formation.

The League of Nations could have prevented World War II from occurring.

The League of Nations would have been an absolute success due to fewer disagreements.

The League of Nations may have struggled to gain legitimacy without US involvement.

Economic instability and unrest following the Russo-Japanese War

Agricultural reforms initiated by Stolypin before World War I

Increased demand for soldiers due to the outbreak of World War I

The termination of the Russo-Japanese War by the Treaty of Portsmouth

To argue for boosting the economy through increased European immigration

To explore European immigrants' cultural influence in the US

To critique America's diplomatic stance on European countries

To analyze how new immigration laws will change US demographic trends

From diplomacy to aggression

From isolationism to interventionism

From pacifism to militarism

From multilateralism to unilateralism

Formation of a League of Nations to prevent future wars.

Immediate repayment of all war debts by Central Powers.

Permanent military occupation of defeated nations by Allies.

Extension of U.S territories in Europe.

The Zimmermann Telegram disclosure

The Espionage Act of 1917

The Selective Service Act of 1917

The War Industries Board establishment

it led to a significant increase in support for suffrage among women

It resulted in the immediate passage of the 19th Amendment granting women the right to vote

It led to a decrease in support for suffrage among women

It had little to no impact on the suffrage movement

The bombing of Pearl Harbor

The sinking of the Lusitania

The assassination of Archduke Franz Ferdinand

The invasion of Poland

Unified the nation by highlighting ethnic diversity as a core component of American identity

Sparked nationwide protests against America's role in global conflicts

Reduced patriotic feelings due to its portrayal of militarism

Led to immediate legislative action aimed at eliminating racial and ethnic discrimination