in places where communism threatened to expand, American aid might prevent a takeover. ... To avoid antagonizing the Soviet Union, Marshall announced that the purpose of sending aid to Western Europe was completely humanitarian, and even offered aid to the communist states in the east.
I couldn't really type it all but here's the answer
Out of the choices given, the event that is related to Christian crusades that occurred last in 1261 was the Byzantines recaptured Constantinople and end the Latin empire. The correct answer is C.
Petroleum refining, steel manufacturing, and electrical power
Enumerated powers, or the expressed powers, are powers congress explicitly grants to congress, including the power to declare war and levy taxes/
- Lay and collect taxes
-<span>Duties, Imposts and Excises, to pay the Debts and provide for the common Defense and general Welfare of the United States</span>