Answer:
A The Treaty of Paris
Explanation:
The Treaty of Paris was most responsible for the settlement of the American frontier.
I'm gonna go with B; A, C, B.
Alexander the Great ruled from 331 - 323 BC, the Han Dynasty started in 206 BC and ended in 220 AD, and finally the Mongol empire began in 1206 AD and ended in 1368 AD.
Hope this helps!
The answer might be B) but i am not 100% sure
The answer to that question is a state trail court