Poland- September, 1939
Germany- September, 1939
France- September, 1939
New Zealand- September, 1939
The United Kingdom- September, 1939
Newfoundland- September, 1939
South Africa- September, 1939
Canada- September, 1939
Czechoslovakia- October, 1939
Norway- April, 1940
Belgium- May, 1940
Hungary- June, 1940
Romania- June, 1940
Luxembourg- May, 1940
Netherlands- May, 1940
Free France- June, 1940
Italy- June, 1940
Greece- October, 1940
Yugoslavia- October, 1940
Japan- 1941
Bulgaria- March, 1941
The Soviet Union- June, 1941
Panama- December, 1941
Costa Rica- December, 1941
Dominican Republic- December,1941
El Salvador- December, 1941
Haiti- December, 1941
Hondurus- December, 1941
Nicaraqua- December, 1941
The United States- December, 1941
China- December, 1941
Guetemala- December, 1941
Cuba- December, 1941
The Philippines- December, 1941
Mexico- May, 1942
Brazil- August, 1942
Ethiopia- December, 1942
Iraq- January, 1943
Bolivia- April, 1943
Colombia- July, 1943
Iran- September, 1943
Liberia- January, 1944
Peru- February, 1944
Romania- August, 1944
Bulgaria- September, 1944
San Marino- September, 1944
Albania- October, 1944
Ecaudor- February, 1945
Paraquey- February, 1945
uraquey- February, 1945
Venezuela- February, 1945
Turkey- " "
Egypt- " "
Lebanon- " "
Syria- " "
Saudi Arabia- " "
Argentina- " "
Chile- " "
They did join in. In World War 2 only Sweden, Switzerland, Spain, Portugal and Ireland remained neutral.
Because they were too hot and wanted to join the fun
For most countries, it was 16 years old.
the allied powers were the countries that were tossed in the middle of world war one and were asked by the main countries fighting to join the fight and they would hold bargans with the main countries.
Leaders knew that if they declared war, their allies had to join the fight with them.
They had alliances with countries that were involved.
joined in 1942
The Germans invaded several countries.
hitler
7 December 1941
The U.K., Russia, and France were generally the only three countries in the Allies in WW1. America did join in, but later in the war and they didn't do too much to sway the tide.
They did join in. In World War 2 only Sweden, Switzerland, Spain, Portugal and Ireland remained neutral.
Because they were too hot and wanted to join the fun
17th march 1914
It sided with Germany and Austria-Hungary
April 6 1917
The 8th of December 1941 was the date that the US joined world war 2