Which of the following describes an economy in which the interaction of supply and demand determines price and output and there is no government regulation of the economy?
A.
mixed economy
B.
traditional economy
C.
command economy
D.
market economy

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.