How did the borders expand impact the US
socially?

Suburban cities have been on the rise for the last seven decades due to their orientation around which mode of transportation? a) buses b) airplanes c) automobiles d) bullet trains

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.

What is the name of the social stratification set up by the vedic peoples of the indus river valley civilization