Here is the list UK,USSR,France,China,Poland,Canada, NewZealand,Norway,Australia,Netherlands, Greece,and Belgium
In the WW1 Romania was an ally of Western countries.
Rome and China
All countries that were part of the Allies were an all of the U.S.
Russia was not an ally of Germany in World War 1.
Romania was an ally of Germany.Romania was an ally of Germany.
Britain, France, Japan and Belgium.
Russia
Austria
Germany, Japan, and Italy
Germany,Italy, Japan
== == Russia and Germany were never allies during World War I. They were on opposite sides from the beginning.
The United States, Great Britan, and The Soviet Union