The major cultural contribution of the Byzantine Empire that means a picture made of many cubes of marble or glass is a Mosaic
The answer is yes, definitely. The Roman empire grew so big that their sphere of influence reached even China (through trade most probably). There are so many achievements that the Roman empire can boast, one of which is none other than achitecture. You may not notice it, but if you look closely you'll see that most of the government's structures and or bank's structures have Greco-Roman touch about them.
And definitely you will notice that there are many Christians here and there - that's brought to you by the Roman empire who grew so big that when emperor Constatine decided to legalize Christianity, the religion spread like wild fire in the old world! This development still affects us up to now. Where is the pope's seat of power? Is it not in the Vatican, the heart of Rome?
Answer:
It gave African Americans a voice in the new government.
Explanation:
From what I can recall, the Adams-Onis Treaty more or less gave Florida to the U.S. but it did not exactly end the Second Seminole War, which can be made obvious with the fact that there are Seminoles still living in Florida. I don't remember the Treaty having anything to do with the British since this treaty was between Spain and the U.S.
Basically, I believe the answer is B.