Explanation:
After the war ended and during Reconstruction, the Northern industrial economy had made important progress, particularly in manufacturing and railroad-building. The struggle for political reform and eventual legal changes, like the Civil Rights Act and the Fifteenth Amendment, affected the North as well as the South
Nationalism is when you would die for your country and imperialism is a country controlling a territory outside of its borders, nationalism is involved in imperialism because people wanted more for their country
D. a persons economic level
