1939-1941.
the u.s came i WWII in 1941
The US and the USSR .
The US civil War began in 1861 and the Korean War began in 1950 and the War of 1812 began in 1812. So it goes from left to right War of 1812, US Civil War, Korean War
The US joined World War 1 only in 1917 - three years after the war broke out.
3 years =)
no. there were several years of peace between the civil war and world war1
US, Britain, USSR, Red China.
World War 2
When France and Germany entered in WW1, there weren't any US troops in France. The Americans came after 3,5 years. France and the UK had to fight against Germany alone for 3,5 years, suffering huge losses.
1917-1918
It started in 1914
The US .