Which battles were allied victories in the pacific campaign? check all that apply.

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be the "Battle of Midway," since this was when the tide turned in favor of the US over Japan.

some american cities felt workers were being oppressed by business monopolies

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.