The basic reason for which the United States supported the Panamanian rebels was the US's desire to build a canal across the Isthmus of Panama.
Jesus returned to the area where John was baptizing.
There are two main social classes in communism.
First there is the working class, consisting of the workers and labourers who are exploited by thier capitalist bosses.
Then there is the bourgeoisie, the capitalists who just profit off of the work thier employees do.