Answer:
social science is the branch of science devoted to the study of societies and the relationship among individuals within those societies
The question it about the effects of oil in Southwewst Asia: so your research question also must ask about the effects of the oil.
The only option that asks about the effects is a) "how does oil shape" - this is the correct answer
Trade barriers can either help or prevent people from having jobs.
Because the county executive is elected by the voters the county manages is elected by the board