What is the theory of continental drift?

During the age of imperialism, the economies of european colonies a) were commercially independent from the europe. b) experienced rapid and complete industrialization. c) eventually became dependent on the european global market. eliminate d) were seen as testing grounds for new and risky technology

This is for my social studies guide and i can answer 21/22 of it perfectly fine. but can someone tell me what the caste system was, and what divisions/classes that it was apart of it?

Male dominance of contemporary societies is: a.) likely to get stronger as global capitalism becomes more dominant worldwide b.) seen by social analysts as necessary if we are to survive terrorism and future wars c.) a continuation of thousands of year old social patterns d.) likely to decrease as we experience global warming