Trade routes, hiring more people to spread goods, or more travel to show your items to people who did not yet have them.
<span>the ruling class would not willingly give up its power and position in government</span>
Answer: The US was concerned about the spread of communism in these regions. Thus, they US started to prepare in case of a attack as well as infulence these areas to become democrate states.
Explanation: Areas like Cuba (Right on the US's Door step) are good areas to directly attack the US.
Answer: Economically the population decrease brought by the Colombian exchange caused a drastic labor shortage throughout America, which lead to the estbalishment of African Slavery on a big scale in the americas.