Answer:
This is the best I could do to help :)
Explanation:
Look up what is Puerto Rico's economy and click the brittanica link. Copy the link and paste it to wherever your work is...Hope this helps :) (I'll try to link it in the comments)
One incident would definitely be during the cold war more specifically during The Bay Of Pigs
another would be during a false alarm in which we thought Russia had fired nuclear weapons at us and refrained from firing back before being sure
Inexperienced, mature, imitated and/or sophisticated
Answer -Further Colonization of the Americas by European countries is prohibited