What was the purpose of the sherman antitrust act?

a. to prevent companies from restraining trade

b. to prevent companies from trading across state lines

c. to prevent companies from hiring labor unions

d. to prevent companies from using railroads

A. To prevent companies from restraining trade.

Explanation:

The Sherman Antitrust Act was issued on July 2, 1890, by Senator John Sherman. The purpose of this act was keep all the free business competition, and made it illegal to control the commerce and/or trade.

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.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.