Answer:
A) A political regime where most political power effectively rests with a small segment of society
Explanation:
An oligarchy is a power structure in which a small group of people control a country.
He postulated a theory in which he defined that evolution was a process in which we were involved in contrast with the creacionist theory.
Also he postulated that only the most suitable especies will survive the different changes in weather for example.
Yes that answer is correct
D because that’s true correct
Explanation is true