Which of the following best describes why Eastern European countries tend to be less developed than Western European countries? A Eastern European countries have lower populations and must rely on immigrants to produce goodsEastern European countries have lower populations and must rely on immigrants to produce goods B Western European countries were more influenced by the Soviet Union after World War IIWestern European countries were more influenced by the Soviet Union after World War II C Eastern European countries were more influenced by a Communist economic systemEastern European countries were more influenced by a Communist economic system D Eastern European countries rely on supply and demand driven market economies