You must mean the USSR - which is Russia and it's satellite countries.
All countries fighting in World War 2 used weapons.
what countries had world war 2 in democry
What do you mean by 'local countries'? I also wonder if you are confusing World War 2 with the Holocaust. Please see related question (below) for list of countries occupied by Germany in World War 2.
Switzerland, Turkey, Portugal, Sweden, and Spain were neutral countries in World War 2.
Most Asian countries were involved in World War 2
2
Countries selling weapons and supplies to the countries at war
How many countries took part in the world war two?
If it spread only to 2 countries, then it wouldn't be a world war, that would be a normal war.
No countries ruled Berlin after world war 2
2 countries, Switzerland, Netherlands