World War 1

America joined World War 1 on April 6, 1917. This was because a ___________ submarine had sunk a British passsenger ship.

French

German

American

Russian

Most of the action was took place in the trenches. What are trenches?

They were dug deep into the ground.

They are a tunnel underground.

A wall built of bodies.

It is a submaine.

______ of those were Americans cizitens on board.

Trench Fever is?

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