What is the purpose of federal antitrust laws?

To preserve competition among business firms, is the correct answer.

Explanation:

The Federal Antitrust Laws was a compilation of various national and state government laws that manage the conduct and coordination of business enterprises, usually to encourage competition for consumers benefits. The main objective of these regulations was that it preserved competition among business firms.

b]to spread the message of black power

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.