Native Americans in the United States region and generation, with many older Native Americans self-identifying as "Indians" or "American Indians", while younger Native Americans often identify as "Indigenous" or "Aboriginal". The term "Native American" has not traditionally included Native Hawaiians or certain Alaskan Natives, such as Aleut, Yup'ik, or Inuit peoples. By comparison, the indigenous peoples of Canada are generally known as First Nations. It is not definitively known how or when the Native Americans first settled the Americas and the present-day United States. The prevailing theory proposes that people migrated from Eurasia across Beringia, a land bridge that connected Siberia to present-day Alaska during the
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",