How Did the Movement of Goods, People and Ideas Across

How did the movement of goods, people and ideas across North America affect the population?

A) It prevented Americans from disengaging themselves from European customs.
B) Americans were too busy to think about societal changes.
C) It made it difficult for Americans to establish their own cultural identity.
D) It provided Americans with a distinct vision of how to live peacefully with non-American groups of people.