Cost of Conflict

declared war on Serbia

Austria

the assassinated Austrian archduke

Ferdinand

British trading ship that was sunk by German U-boat

Lusitania

Site of Germany's huge offensive against the allies

Northwestern France

Commander of the United States forces in World War I

Pershing

Germany signed an armistice ending the war on November 11, 1918

True

President of the United States

Wilson

Ultimatum

a statement that expresses or implies serious penalties if the terms are not accepted

stalemate

any tie or deadlock

American sacrifice on the home front

gasless days

neutrality

not taking part on either side of a dispute

the United States entered World War I on April 6, 1917, after:

the continued sinking of ships and loss of American life after the Lusitania

Offensive

the position of active attack

What were the factors that led Germany to agree to an armistice?

• German allies had withdrawn • Wilson's 14 points game Germany hope for a fair peace • the military situation was turning against the Germans

What advantages did the United States give to the Allied cause when it entered the war?

•improved the morale of the Entente troops •American industry aided the Allied cause with equipment