Chocolate is prepared in a complex process from ground, roasted cacao beans. The Maya had a chocolate beverage perhaps as early as 900 BCE, and the Aztecs prized the cacao tree. In the 16th century, Montezuma II served Hernán Cortés a cacao-bean drink called xocoatl—”bitter water”—that Cortés then introduced to Europe. It became a fashionable drink there, and chocolate shops thrived, becoming centers of political discussion. When did London’s first chocolate shop open? Discuss