(mc)how did the united states' entry into world war ii affect the american economy? -it increased the availability of goods. -it produced a wave of labor outsourcing. -it slowed the growth of corporate profits. -it decreased unemployment significantly.

-It decreased unemployment significantly.

The United States' entry into World War II helped to decrease unemployment significantly, as the people who were unemploy had to leave for the front or being employ in the making of goods for the war such as weapons and cars.

- it decreased unemployment significantly. 
America almost reached full employment as they were hired for war jobs to help the country.

The answer is a and hi how are you doing