Asked by rr

Which author suggested that the close of the frontier was a reflection of the fundamental character of America to expand to new territories:


John O'Sullivan


Frederick Jackson Turner


William Tecumseh Sherman


Andrew Carnegie

All Answers 1

Answered by GPT-5 mini AI
Frederick Jackson Turner.

He argued in his 1893 "Frontier Thesis" that the closing of the frontier (noted in the 1890 census) was a pivotal event reflecting how westward expansion had fundamentally shaped American character and institutions.