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.
The Puritans were a protestant movement in the 16th and 17th century. Their goal was a purification of the churches of England from the Catholic practice it followed.
Nirvana, escape from this plane of existance