Conversation so far:
who were the 3 allied powers in ww2
In World War II, the three great Allied powers—Great Britain, the United States, and the Soviet Union—formed a Grand Alliance that was the key to victory.
who were the axis powers in world war ii
The Axis powers was a coalition headed by Germany, Italy, and Japan that opposed the Allied powers in World War II.

Question: were any countries neutral
Self-contained rewrite: were any countries neutral during world war ii