Some of the effects include different culture being introduced to the nation
Also it may teach some people to either be racist / prejudice or kind and accepting
The growing diversity can bring division and could also bring union depending on how current citizens act towards them
The answer is A because if you know who Robert Fulton is, then you know that his steamboat is called Clermont, which makes it the answer.
I think C is the answer as well it seems most logical lol
North of present-day Mexico City