<span>European powers met to create a balance of power between European countries.</span>
U.S. Entry into World War I, 1917. ... Wilson cited Germany's violation of its pledge to suspend unrestricted submarine warfare in the North Atlantic and the Mediterranean, as well as its attempts to entice Mexico into an alliance against the United States, as his reasons for declaring war.
I am thinking the answer is most likely C, but correct me if I am wrong.
The Louisiana Purchase was the name of deal and the territory that the United States acquired from France in 1803. This was the largest acquisition of land by purchase in American history and it occurred during the Presidency of Thomas Jefferson. Thomas Jefferson initially questioned whether or not the deal was Constitutional or not, however, he later decided to move forward with the purchase of land.