3. The Industrial Age brought with it problems such as pollution and monotonous labor.
Explanation:
It is the only one that makes sense, and since it follows the dreary feeling and brings up pollution and labor like the text actually states, it is the only one it could possibly be.
<span>Andrew Jackson was the first president from the area "west" of the Appalachian Mountains, which is part of the reason why he deemed himself a man of the "common" people. </span>
