Answer:
the answer is roman powers
Explanation:
The United States sent manufactured goods made from cotton especially, along with, tomatoes,tobacco and potatoes over to England As then England sent coffee, sugar, grains, weapons, wood and olives over to Africa with then Africa sending slaves to America. The 3 way trade
Silk road was a road for trade and cultural diffusion
Cultural Diffusion is the spread of ideas from one place to another
First put up blockades, then later built a wall, to stop the migration of the people.