Cesar chavez worked to improve the lives of workers.

The answer would be immigrant farm workers.

Cesar Chavez was the first activist who has made the first labor union for farmers. He was one of the founders of United Farm Workers and fought for the health benefits for many immigrant workers in the late 1960’s. Chavez was able to help farmers have clean water, protections gears when spraying pesticides and a better pay. 

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

b or c im pretty sure