The Latin American revolutions from 1804 to 1821 were generally all "wars for independence", primarily in French, Spanish and Portuguese colonies. They were heavily influenced by the American and French revolutions. <span />
A. Building a network of roads.
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
In <span>Oligarchy kind of government small group have form control over the country</span>
This is the answer to your question