frederick jackson turner's frontier thesis defined the american character in
what way?

a)the american character remained, for the most part, european in manner.

b)the american character grew out of a desire to maintain a system of
slavery.

c)the american character was multifaceted because of differences between the colonies

d)the american character was shaped by the challenges of settling a new land.

The correct answer is letter D.

Explanation:  Turner is widely recognized as one of the most influential historians in the United States in the first half of the twentieth century. In 1889, he defended at Johns Hopkins University his doctoral dissertation, entitled The Character and Influence of the Indian Trade in Wisconsin, published in large form and revised in 1891. In the year 1910, he was the president of the American Historical Association. In 1933, he received the Pulitzer Prize for History for the text The Significance of Sections in American History.

honeslty bro its the same thing