Answer:
Faced with severe shortages of oil and other natural resources
Explanation:
First one is B.
The next one is D.
I believe the last one is False.
The answer is to improve the migrant farm workers' working conditions.
During the 1960's, improving the working condition of the migrant farm workers was the major reason César Chavez organized the United Farm Workers. The United Farm Workers was previously called National Farm Workers Association.