United States History Question of the Day

"Daniel Boone Escorting Settlers Through the Cumberland Gap"
by George Caleb Bingham, 1851
(Source: Wikimedia Commons--public domain)
Question 0950:
“The
wilderness masters the colonist. It finds him a European in dress,
industries, tools, modes of travel, and thought. . . It strips off the
garments of civilization and arrays him in a hunting shirt and
moccasin. . . .Little by little he transforms the wilderness, but the
outcome is not the old Europe. . . .The fact is, that here is a new
product that is American. . . .”
This declaration was made by which famous American historian?
A) Carl Degler
B) Charles A. Beard
C) Frederick Jackson Turner
D) Steven Ambrose
E) Henry Adams