Read the following paragraph from the section "Ideas, Technologies And Faiths." Diplomatic contacts and religious missions were established over vast distances. Islamic merchants helped gain a footing for their faith at the extreme ends of the Eastern Hemisphere. What conclusion is BEST supported by the paragraph above? A Trade facilitated the spread of religious ideas. B Diplomacy focuses on the spread of religion. C Islamic merchants were more interested in religion than in trade. D The extreme ends of the Eastern Hemisphere are now Muslim.