Segregation, Jim crow, and racism. But the main answer is segregation.
The main way in which Europe's role in global trade changed after the European discovery of the americas was that they were able to dramatically increase the import of goods and materials.
Shay's Rebellion. The public was angry they could not have an official money (such as a bank note or Specie). They also assaulted tax collectors and Congress could not summon a force in time.
Confederal,and federal,and unitary, governments are the 3 labels used to describe the relationship between a countrywide