Take off D; the North had won some battles up to that point. Rip off A; the South would never let go of slavery. Take off B, since the Union had some wins already. You can now clearly see where the answer is.
They were signing a petition to establish the 'Columbia Territory'.
Answer:
Henry the Navigator, prince of Portugal.
Explanation:
The answer to your question is,
They met in Potsdam, Germany, from July 17 to August 2, 1945, to negotiate terms for the end of World War II.
-Mabel <3
