The United States joined the Allies in December 1941 .. HELP TO FIND THE OTHER COUNTRY
Various countries joined World War I and World War II at different times. In World War I, notable entries included Italy in 1915 and the United States in 1917. In World War II, Germany invaded Poland in September 1939, prompting Britain and France to declare war; the United States joined the conflict after the attack on Pearl Harbor in December 1941. Each nation's involvement was influenced by a mix of alliances, territorial ambitions, and responses to aggression.
No, Chile was the last nation to join. They joined on April 11th, 1945.
Pearl Harbour.
1941 .
the USA Joined the war in 1917
Germany
The United States was the country that entered World War 1 late. The war was fought from 1914 to 1918.
No country left the war in 1914. Countries joined the war in 1914, the year it began.
As a part of the United Kingdom, it joined with its "Mother Country."
Notably , Italy and japan .
When the US joined the war in 1941, they joined with the Allied Powers. Italy was a part of the Axis powers. They had to fight each other.
Only the Ottoman Empire (Turkey) and Bulgaria.
pretty sure it was France
The United States joined the Allies in December 1941 .. HELP TO FIND THE OTHER COUNTRY
Canada joined WW2, even though it was an independent country because it was still loyal to England.
he joined the war because he wanted to be in a free country and he was trying to help everyone else who wanted to be free.