Question

reasons for u.s. entry into wwi (explain how they are reasons and/or what they mean in the list to the right.)
defense of democracy-
unrestricted submarine warfare-
zimmermann note
sinking of the lusitania
new weapons & technology of wwi
trench warfare
committee on public information
voluntary rationing
herbert hoover (focus on wwi importance)
selective service act

Explanation:

1. Defense of democracy: The U.S. saw itself as a defender of democratic values. Many Allied countries were democracies, and the Central - powers' aggression was seen as a threat to these values.
2. Unrestricted Submarine Warfare: Germany's unrestricted submarine warfare targeted American merchant ships, disrupting trade and endangering American lives and economic interests.
3. Zimmermann Note: A German diplomatic telegram proposing a military alliance between Germany and Mexico against the U.S. If successful, it could have threatened U.S. security and territorial integrity.
4. Sinking of the Lusitania: A British ocean - liner sunk by a German U - boat. It carried American passengers, and the incident outraged the American public and increased support for war.
5. New weapons & technology of WWI: Technologies like machine - guns, poison gas, and tanks revolutionized warfare, changing the nature of battlefields and strategies.
6. Trench warfare: A static form of warfare where both sides dug long trenches. It led to a stalemate on the Western Front and high casualties.
7. Committee on Public Information: Created to generate public support for the war effort through propaganda, influencing public opinion.
8. Voluntary rationing: Americans voluntarily rationed food and other resources to support the war effort and ensure supplies for the military.
9. Herbert Hoover: He was involved in food administration during WWI, ensuring food supplies for the U.S. and its allies.
10. Selective Service Act: Allowed the U.S. government to conscript men into military service to build up the armed forces for the war.

Answer:

1. Defense of democracy: The U.S. saw itself as protecting democratic ideals against autocratic Central - powers.
2. Unrestricted Submarine Warfare: Threatened American trade and lives, provoking U.S. anger.
3. Zimmermann Note: Posed a potential security threat by suggesting a German - Mexican alliance against the U.S.
4. Sinking of the Lusitania: Outraged the American public due to loss of American lives on a civilian ship.
5. New weapons & technology of WWI: Transformed the nature of warfare with increased lethality.
6. Trench warfare: Resulted in a stalemate and high - casualty battles on the Western Front.
7. Committee on Public Information: Propagated war support among the American public.
8. Voluntary rationing: Helped ensure resources for the war effort.
9. Herbert Hoover: Played a key role in food management during WWI.
10. Selective Service Act: Enabled the conscription of men for military service.