Who was Frederick Jackson turner, and what was his significance?

The defense of marriage act did not do the following: question 3 options: a) prohibited states from performing same-sex marriages. b) allowed states not to recognize same-sex marriages performed elsewhere. c) excluded polygamy from the definition of marriage. d) prohibited the federal government from recognizing same-sex marriages.

Why did jefferson make the louisiana purchase?

What was the focus of the stanford study-pls