Which of these statements about world-system theory is not true? select one: a. "wallerstein wrote about the world-system theory." b. "world-system theory stresses the existence of a global culture." c. "world-system theory claims that a set of economic and political interconnections has characterized much of the globe since the 16th century." d. "world-system theory focuses on links and power differentials between local peoples and international forces." e. "world-system theory deals exclusively with non-western, horticultural societies."