Although the war began with Nazi Germany's attack on Poland in September 1939, the United States did not enter the war until after the Japanese bombed the American fleet in Pearl Harbor, Hawaii, on December 7, 1941.
A. Stalemate between two sides
Korea remained a divided land
For the American public, Korean war stroked fears of communist aggression
The bloody stalemate turned public opinion against the Democrats and made a Republican victory in the 1952 election almost certain.
Hoped this helped!