After the Japanese attacked Pearl Harbour, the Americans counter-struck in an act that would bring the United States of America into World War II. They attacked the Japanese and deployed the first two atomic bombs on Hiroshima and Nagasaki.
All of them.
The Korean War
Spain and the US.
Vietnam.
The Great Depression
Douglas MacArthur
NO
Pearl Harbor, Hawaii.
Vietnam War.
The spread of communism into Southeast Asia was opposed to maintain the balance of power.
The US was involved with NO wars in the 1930's. There were two wars going on in the '30s. One in Europe and one in Asia; Germany was moving thru Europe and Japan was moving thru Asia. Italy was experimenting down in Africa (and having a hard time doing that; believe it or not...Africans were fighting with SPEARS against Italian tanks).
the Americas and Asia (novanet answer)