How did railroad expansion affect the prices of goods during the glided age

Which one of these best describes an interest group

Which event was the main reason for the announcement of the quit india movement? what were the results of the movement?

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.