Select all that apply. Problems faced by labor unions included:

lack of unity

opposition from corporations

labor laws

blacklisting of leaders

membership dues

blacklisting of leaders, and some coroporations opposed them

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

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.