In 1800s life in the US was not easy. The lands was big, wild and still mostly untamed. The travel was slow and often wrought with peril as the dangers loomed on the roads, if there were any at all. Most of the Americans, two thirds of them in fact lived near the Atlantic coast and that is within 50 miles of it. Also, west of the Appalachian mounts only one tenth of the Americans lived there.
Do you need help with anything
"<span>c. because western territories were threatening secession" would be the best option, but the better reason was because he could see that the war was going to continue regardless of slavery's fate, and he hated it from the start.</span>
The most inclusive time scale is the Eon