Question

What problem did Frederick Jackson Turner's frontier thesis expose?(1 point)ResponsesAmerica's unique development could not continue in the absence of a frontier.America's unique development could not continue in the absence of a frontier.Intervention in international affairs would cause domestic interests to suffer.Intervention in international affairs would cause domestic interests to suffer.The U.S. Navy needed to be modernized.The U.S. Navy needed to be modernized.The purchase of Alaska was a bad idea.The purchase of Alaska was a bad idea.

Answer 1

America's unique development could not continue in the absence of a frontier.