Answer:
Capitalism and socialism are formal economies. The major differences between capitalism and socialism revolve around the role of the government and equality of economics. Capitalism affords economic freedom, consumer choice, and economic growth.
Monroe doctrine was the thing that blocked other nations from coming into americas. It was enforced by the british military who were the strongest at time.
Many nations accepted this out of fear of their military.
One problem is by trading by sea, ships are bring invaise sea creatures to other countries and can harm the wild life for other marine ecosystems and for tons of people.
