The main role of the Federal Communications Commission (FCC) is to:
Regulate Interstate communications by radio, television, wire, etc
Based on the given answer choices, none of them are correct because the Federal Communications Commission (FCC)was established in the year of 1934 by President Harry Truman and not in 1949 as option C states.
Furthermore, it does not regulate newspapers as it regulates communications over the satellite, radio and wire and it does not ban explicit contents at certain times of the day as it is always active to regulate communications by every hour of the day.
Read more about Federal Communications Commission here:
Agriculture changed the way ppl lived resulting in them not having to work as much. When ppl figured out they could grow crops and not have to hunt for food it saved them energy and was more convenient.