I think the answer would be causal research. It investigates on an issue looking for an effect of a certain variable to that issue or object. It is focused on the effect one factor to the subject of the research. Hope this answers the question.
Can you put more details in
Answer:
I'd say the answer is C. The regime would be responsible for both creating and enforcing laws that protected basic rights.
The government controlled agriculture through collective farms.
this is the closest answer I found. sorry if it's useless