<span>A: welp<span> 2 re-store the economy of west Europe!:D</span></span>
Answer:the knowledge of the impeding war on poland
Explanation:
In exchanging , the United States acquired the vast domain of Louisiana Territory, some 828,000 square miles of land. The treaty was dated April 30<span> and signed on </span>May 2<span>. In October, the U.S. Senate ratified the purchase, and in </span>December 1803<span> France transferred authority over the region to the United States.</span>
The correct answer is Ethnography, Ethnography is a core modern research method used in Anthropology. Hope this helps! ;D