Answer:In 1861, the United States faced its greatest crisis to that time. The northern and southern states had become less and less alike--socially, economically, politically. The North had become increasingly industrial and commercial while the South had remained largely agricultural. More important than these differences, however, was African-American slavery. The "peculiar institution," more than any other single thing, separated the South from the North. Northerners generally wanted to limit the spread of slavery; some wanted to abolish it altogether. Southerners generally wanted to maintain and even expand the institution. Thus, slavery became the focal
During the years 1840 - 1860, over 250,000 travelers used trails to migrate from the eastern United States to Oregon and California. Hope this helped and it was correct :)
