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. 

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

you answered my friends question just to get the coins you didn't even give a valid response.

the tallest building in the western hemisphere and the sixth tallest building in the world