What was one economic effect of the Renaissance? A. Increased trade led to thriving Italian banks. B. Wealthy Italian merchants invested in improving Muslim port cities. C. The Roman Catholic Church gave money to artists. D. Wealthy families like the Medicis purchased ancient treasures of Athens. What was one economic effect of the Renaissance? A. Increased trade led to thriving Italian banks. B. Wealthy Italian merchants invested in improving Muslim port cities. C. The Roman Catholic Church gave money to artists. D. Wealthy families like the Medicis purchased ancient treasures of Athens.