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.
Centralized government authority, became ruler of Austria in 1740 after a pragmatic sanction was issued to allow this person to rule. Examined natural laws governing the universe
Most of the time in monarchies the rule is passed down through the bloodline, so my train of thought is feudalism.
D. a combination of history and legend