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
Explanation:
Books such as The Octopus by Frank Norris, How <span>the Other Half Lives by Jacob Riis, and The Jungle by Upton Sinclair exposed problems associated with "</span><span>(4) environmental conservation."</span>
The answer is 5 I’m not sure if you want a explanation just tell me if u do!
False pretty sure............