Native Americans in the United States Americans changed their practice of slavery dramatically. Native Americans began selling war captives to Europeans rather than integrating them into their own societies as they had done before. As the demand for labor in the West Indies grew with the cultivation of sugar cane, Europeans enslaved Native Americans for the Thirteen Colonies, and some were exported to the "sugar islands". The British settlers, especially those in the southern colonies, purchased or captured Native Americans to use as forced labor in cultivating tobacco, rice, and indigo. Accurate records of the numbers enslaved do not exist because vital statistics and census reports
Scottish Americans rebellious colonies. According to the historian Arthur Herman: "Americans built their world around the principles of Adam Smith and Thomas Reid, of individual interest governed by common sense and a limited need for government." Nineteen of the fifty-six delegates who signed the Declaration of Independence came from Scotland or Ulster or, like the Scottish-tutored Thomas Jefferson, had ancestors there. Other founding fathers like James Madison had no ancestral connection but were imbued with ideas drawn from Scottish moral philosophy. Scottish Americans who made major contributions to the revolutionary war included Commodore John Paul Jones, the "Father of the American Navy",