Answer: b. contribute to an understanding of how the world works.
Explanation: Economics is a branch of social sciences that studies the choices individuals and organizations make in using their limited resources to satisfy their unlimited wants. In essence, it is a study that aims to understand trade and industry as well as how people interact with these. Economists who formulate new theories work towards a better understanding of what motivates people, why they make the decisions they do and how the market reacts to the actions they take.
Pretty sure South Africa was an example of opposition in imperialism
Gender refers to her being born female and personality or character refers to her acting feminine.
Your question isn't formulated with enough information, but I'll try my best. Sensitivity levels is what I believe is the answer to this question. Please correct me if I'm wrong.