Brazil. It touches/ boarders most of the countries except Chile.
The emperors and empresses convoked religious councils, which had to make a decision. These councils were convoked only to solve issues caused by the Iconoclast Controversy.
The answer is D
Reason being that the sinking of ships by German U-boats, and a German attempt in the Zimmermann Note to get Mexico to declare war on the U.S. pushed the U.S. to getting involved.
Sectionalism affected the economis and politics of the U.S by creating a difference in the geography. The south used the slaves to elevate their plantation empire, the north used machines to manufacture clothing deviating from slavery and the west used ranches for livestock.