Select the country that gained its independence from portugal?
venezuela
brazil
peru
argentina

The correct option is "Brazil"

The Independence of Brazil comprises a series of political events that occurred between 1821 and 1824, most of which included conflicts between Brazil and Portugal. Thus giving way to the proclamation of independence presented by the Empire of Brazil on September 7, 1822.

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.