In the 1920s, sacco and vanzetti case, the red scare, and the activities of the klu klux klan all represented

the anasazi indians were real pioneers and created roads and irrigation systems for watering their crops. they were also great architects and the cliff dwellings are one of their biggest achievements.

explanation:

answer; (d) anthropology;

answer; specific deterrence;

answer; adjusting and adapting to a culture other than one's own;