Why was the Congo Free state such a unique colony

What is something current on the news happening? not anything about a fire

What does the country say concerning the status of free blacks living in the united states? a) they have the same rights as any other "free" people, and are full citizens. b) they have the same rights as any other "free" people, but are not properly citizens. c) they are citizens, but don't have the full rights granted to other citizens. d) they are not citizens, and have no right to petition the court.

Otto von bismarck once said that a great war might someday be caused by some damed foolish thing in the balkans was he right, explain