When did the US enter World War I on which side?

Answer 1

U.S. Entered World War I April 6, 1917 On April 6, 1917, the U.S. joined its allies--Britain, France, and Russia--to fight in World War I.

Answer 2

The U.S. remained neutral until April of 1917 when more American ships were sunk so the US joined the Allies and declared war on the Central Powers.

Also, Germany's return to its policy of unrestricted submarine warfare caused great alarm in the US.

Answer 3

The United States entered World War 1 in 1917 on the side of the Allies.

Answer 4

The Central Powers announced they were going to resume un-restricted submarine warfare (sinking ships without warning); they had been warned by the US NOT to.

Answer 5

USA

Answer 6

The Allied powers (or known as the Entente powers): Britain, France, Russia, and later Italy