Germany's policy of unrestricted U-Boat activity.
1917 smart
No, the U.S. entered World War 1 in 1917.
The allies entered the war in 1914; the US entered the war in 1917.
April 1917
It was The US entered WW I on April 16th, 1917.
The US entered when it declared war on Germany on April 6th 1917. So they entered late.
The U.S. entered WWI in 1917 and the war ended in 1918.
1917.
The US entered World War 1 on April 6, 1917. The war ended about one and a half years later.
They didn't. They entered late, In 1917
The US entered World War 1 on April 6, 1917. It remained in the war until it ended about a year and a half later.
The US finally entered World War I in 1917, when it had bogged down after three years of fighting. The additional manpower turned the tide, and by 1919 Germany had lost most of its territorial gains. The war was ended by the Treaty of Versailles on June 28, 1919.