Italy had unsuccessfully tried to conquer in the 1890s, was in 1934 one of the few independent states in a European-dominated Africa

Ethiopia

Explanation:

According to various historical records Italy had unsuccessfully tried to conquer ETHIOPIA in the 1890s, was in 1934 one of the few independent states in a European-dominated Africa.

This is evident in the fact that Ethiopia was considered never to have been colonized by the Europeans. And following a border issue, Italy under Mussolini invaded Ethiopia in 1935 but no lasting rule was made.

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.