B.The Oregon Border, because the US claimed all of it from Britain.
Hope this helps :)
If the president is breaking the 22nd amendment, that means he is trying to run for a third term.
It was because more money was being spent buy businesses and these businesses were either close to or in the cities.
Dred Scott would remain a slave and, as a slave, was not a U.S. citizen and was considered property. The Chief Justice of this case, John Marshall, said that Scott shouldn't have even brought his case to court because he is a slave.
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
