The balkan peninsula, which juts into the black sea, is one of the largest peninsulas in europe . true or false ?

One of the largest yes, but not the largest. The largest would be the Scandinavian Peninsula.

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.