What was the main reason why Americans continued to move the frontier in the 1800s? They wanted to exploit fertile farmlands.
They wanted to live in the mountains.
They wanted to settle along the East Coast.
They wanted to move away from the big cities.

I believe the answer is the first one, A

Explanation:

After the homestead act was issued, many Americans moved west. Farming was how most Americans lived and the soil from the east started experiencing droughts. That is one reason why they moved west, to grow better crops for the cattle industry, and better foods that would be transported to distant markets.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

on this day in 1833, president andrew jackson announces that the government will no longer use the second bank of the united states, the country's national bank. a national bank had first been created by george washington and alexander hamilton in 1791 to serve as a central repository for federal fund