Answer:
B. Arab nations placed an embargo on oil to America
Explanation:
1. C--the automation of jobs: as technology increased manufacturing jobs were filled by technology leaving other jobs to be created. The service sector was the result of that innovation.
2. B--prosecute members of the Communist Party: The Smith Act made threats to overthrow the government illegal. Since communist is based on the overthrow of a government, this act justified the search and investigation of communists.
Migration, trade, conquest, and pursuit of religious freedom.
Those individuals out of at the turn of the 20th century, by creating public works programs millions of americans were put back to work.
