History of Pennsylvania control of the Dutch (and former Swedish) holdings in North America. At the end of the Third Anglo-Dutch War, the 1674 Treaty of Westminster permanently confirmed England's control of the region. Following the voyages of Giovanni da Verrazzano and Jacques Cartier, the French established a permanent colony in New France in the 17th century to exploit the North American fur trade. During the 16th, 17th, and 18th centuries, the French expanded New France across present day Eastern Canada into the Great Lakes region, and colonized the areas around the Mississippi River as well. New France expanded into western Pennsylvania by
Global silver trade from the 16th to 18th centuries to then use it as a means of purchase; that currency was so widespread that even the United States accepted it as valid until the Coinage Act of 1857. As the Spanish need for silver increased, new innovations for more efficient extraction of silver were developed, such as the amalgamation method of using mercury to extract silver from ore. In the two centuries that followed the discovery of Potosí, the Spanish silver mines in the Americas produced 40,000 tons of silver. Altogether, more than 150,000 tons of silver were shipped from Potosí by the end of the 18th century. From