Peaceful relations with neighboring American Indian groups and fertile farmland helped Penn's experiment become a success. Philadelphia grew into one of the most important cities in colonial America, becoming the birthplace of the U.S. Constitution.
I believe it is the Twelfths Amendment
The map of it is right here
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
1) Promontory Utah is the answer