How did the domino theory influence united states foreign policys?

The theory proposed that a communist takeover over of one country would quickly lead neighboring countries to fall to communism, like dominoes falling in succession. Cold War foreign policy was enveloped in the domino theory, which led to policies like containment, the Marshall Plan and the wars in Korea and Vietnam.

The correct answer is: Option B. A group that is legally protected against employment discrimination.

The EEOC defines the term "Protected Class" as a group protected from employment discrimination by law. Both men and women are included in these groups. Every U.S. citizen is entitled to the rights provided by the EEOC, as this makes them members of a particular protected class.