Czechoslovakia
Poland.
if you mean which country it was Poland
italy
Germany
Germany attacked Britain during the Battle of Britain.
Britain.
Britain was the main country. Belgium was the second but it is in Germany.
No country is still at war with Germany...
The Rhineland, Austria, Czechoslovakia, and Poland. Once Germany invaded Poland, Great Britain and France declared war on Germany starting World War Two.
Germany
The United States and Germany
Although Germany, Britain, and China are powerful countries, the US is undoubtably the most powerfuly.