What did the Romans develop to improve sanitation? a. public bathhouses
b. government trash removal
c. proper medical treatments

A because the public bathhouses cleaned up a lot.

Explanation:

states began imposing duties on each other's goods. congress had no way to raise money for an army to expel them.

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.