How the US Entered World War I:

1914---1917

WW1

EventUS

Reaction

June-July

1914Assassination of the Archduke/WW1 Begins

Asserts its neutrality

August 1914

Germany invades neutral Belgium

Sympathizes with Allies

Germany announces Unrestricted Submarine Warfare

1915

Anti-German feelings increase

May, 1915German U-boat sinks Lusitania, 128 Americans die

Protests. Wilson threatens War. Germany backs off

1916

British blockade around Germany takes its toll

Increase trade with Britain-create stronger relations

Jan. 1, 1917

Zimmermann Telegram. Germany asks Mexico to fight US

War Fever reaches a

peak

Germany resumes unrestricted submarine warfare

Jan. 31, 1917

Prepares for War. Wait and see policy

April1917

Germany sinks 4 more “neutral” ships

Declare War on Germany. 2 million soldiers mobilized

What was the main reason why the US entered the war against Germany?

Discussion Question