What was one effect that mass transit had on american cities

Which factors are examples of how technology may have affected the great migration apex

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches

What word means having a variety of cultures in the same area? a. cultural diversity b. culture region c. popular culture d. population density