During the 17th and 18th centuries, the frontier for the British colonies of North Americas could usually be found at the:
a. edge of the Atlantic Ocean
b. Appalachian Mountains
c. borderline where French and Spanish territories began
d. Continental Divide

Respuesta :

During the 17th and 18th centuries, the frontier for the British colonies of North Americas could usually be found at the "b. Appalachian Mountains" since this was the area that most settlers were not inclined to pass.