us economic sanctions
At the beginning of World War I, the US assumed an isolationist policy which basically means that we refused to get involved. While remaining isolationist, the US tried to get the other countries involved to declare peace.
US got in the war because of the bombing in pearl harbor.
To keep Germany from becoming part of the Soviet Union.
Yes, Despite the United states desire to stay out of both wars. they joined the Allies, who, in both wars were 'loosing ground' by the time the US got involved.
The Korean War ,
The Korean War/conflict .
The Vietnam War No, it would have been Korea
WWII
Not getting involved in a European conflict. It wasn't called World War I then, obviously. Wilson "kept us out of war"; the country was not eager to get involved.
The Korean War
Shortly after World War 2, the U.S and NATO deployed to resolve the conflict in Korea. This led to the Korean War between NATO and North Korea + China + Soviet Union.
Shortly after World War II ended in 1945, the Korean War began in 1950. The war lasted until 1953, and involved US troops. The reason the US was involved was to stop the spread of communism from taking over South Korea.
The Cold War, then Vietnam.
!917 and 1918. World War 1 began in 1914, and for much of it the US tried to remain neutral in what was seen as primarily a European imperial conflict.
The First and the Second Gulf War. The third Iraqi conflict involving the USA is the war against the IS.
Pearl Harbor. An unprovoked Japanese attack on an American NAVY base. Shortly after Germany and Italy declared war on them consequently drawing them into the war.