Cesar Chavez helped found the National Farm Workers Association in order to: O A. protest the use of agricultural products imported from other countries. B. end discrimination against Mexican workers on Texas farms. C. replace the Bracero Program. D. improve working conditions for people working in agriculture.​

D. improve working conditions for people working in agriculture

Explanation:

chavez made a union of farm workers

when workers organize its called a union

when companies organize its called a cartel like opec

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.