c. Prussia unified Germany into one nation in 1971.
D. He revised and organized laws
I think the answer is france, but only 70% sure.
The effect of foreign conflict on Americans support would be the War of 1812 where British captured Washington, D.C. and burned our White House, and also U.S. forces turn back a British attack on Baltimore. The good thing that came out of the conflict was gaining our "Star Spangled Banner" from Francis Scott Key.
Answer:
Western European and Venetian Crusaders.
Explanation: