The Navigation Acts put in place by Britain had significant effects on the economy of the American colonies. A. The acts were originally designed to force the French to gradually abandon their American colonies. B. Although the acts restricted colonists from exporting certain goods directly to foreign nations, important colonial products enjoyed both reduced duties and a monopoly of the British market. C. The British refusal to allow tobacco imports from foreign nations hurt both British consumers and the American colonial tobacco planters. D. The acts limited trade with the Empire toBritish ships, but by classifying all colonists as British, the acts allowed North Americans to develop their own ships. E. High tariffs on imports from the colonies served to protect British-made goods from having to compete with the less expensive goods the colonists could produce using low-cost labor. F. Trade laws protected some British manufacturing from colonial competition but encouraged colonial economic prosperity while making cheap British consumer goods ready available.