The correct answer is unregulated commerce between the states, and the lack of a national currency
Ku Klux Klan was founded by former Confederate Army officers in Tennessee in 1866. In the begining it wasn't racisist and anti-catholic and anti-semite organization ut form of resistance against carpetbaggers and martial law in the South
Silk road was a road for trade and cultural diffusion
Cultural Diffusion is the spread of ideas from one place to another
Because they thought they wouldn't have any power , compared to the free states. this caused political parties, civil wars, etc.
Unemployment increased
People moved from rural areas to the cities
labor unions were formed
the standard of living rose
hopped this helped.