Fighting in Vietnam started in 1954 when France tried to reassert their colonial claims to Indochina. Although it should be noted that this is not what led to the direct escalation of conflict--it was the communist influence.
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The leader who won the Nobel prize for literature was Winston Churchill
What caused the development of nativism in the 1920s? ... nativists thought this meant fewer immigrants should be let in the country. some people involved in postwar disputes were immigrant anarchists and socialists, who many americans believed were actually communists.