The answer to your question is James Beckwourth
The major advantage that the steam boat had over other vessels was that it could travel for a longer distance at the shortest possible time. It did not have to wait for the wind direction and speed. The steam boats could also travel against the current very easily. The steamboats resulted in the increase in trade.
President Woodrow Wilson's 14 Points plan was a statement of principles for peace negotiations to bring a proper end to World War 1 and prevent future wars with point 14 being the formation of the League of Nations. So the answer is C.
I think it's C. Because the rest just don't seem right to me.
I believe your answer is " A.Constantinople".