Answer:
A. Creating original research
Explanation:
took the quiz
The Appilachian mountains was the greatest barrier, because it was crawling with Indian's that may have made them turn back.
In the early 19th century, the ruling political party was the Democratic-Republicans. They selected their candidate through a vote of their members in Congress. This system let them control the White House for 20 years. Then the rivalry of John Quincy Adams and Andrew Jackson.divided the Democratic-Republicans into two after the 1824 elections and became Democrats and Whigs.
a
a. The shogunate asserted military control when called to put down a peasant revolt.