The Nixon Doctrine proclaimed that the United States would

a. honor its existing defense commitment, but that in the future its allies would have to fight their own wars without large numbers of American troops.
b. supply only economic aid to its allies.
c. seek detente with the Soviet Union and the People's Republic of China.
d. intervene to help its allies fight communism only if the United States was allowed to send American troops.
e. maintain naval and air bases in East Asia but not put troops on the Asian mainland.