The main way in which <span>settlement of the west increase tension between the north and south was that each new state in the Union had to decide whether to be "slave" or "free"--leading to much more tension over the issue of slavery. This tension eventually led to the Civil War. </span>
False, it had a big effect on the development of the military and the economy.
Answer:
The United States asserted itself as an independent nation was through the adoption of the Monroe Doctrine. This doctrine came after its independence from the British and was a warning to other European countries to stop their interference in the country.
This was a major statement of the United States to the rest of the world in it being strong enough to make decisions which are in the best interest of the country.
Answer:
3.They had been many economic disputes between Cuba and the United States