The United States of America, Great Britain, France
America and France Spain Native americans Great Britain
Prussia trained the American army. Poland played a vital part in it too. France and Spain helped out. We were fighting against England. England tried to by troops of of Russia. Germany helped both England and The USA. Holland also helped I believe. The Dutch Republic...and there are probably more but those are just some of them.
America and France. Canada wasn't a country yet, so the first two were battling England.