leninism: the political and economic theories of Lenin which provided the guiding doctrine of the Soviet Union; the modification of Marxism by Lenin stressed that imperialism is the highest form of capitalism (which shifts the struggle from developed to underdeveloped countries)
communism: a political theory favoring collectivism in a classless society
jeffrey pine: tall symmetrical pine of western North America having long blue-green needles in bunches of 3 and elongated cones on spreading somewhat pendulous branches; sometimes classified as a variety of ponderosa pine