The supreme court case of marbury v. madison (1803) established the principle of a) the federal control of interstate commerce. b) supremacy of the national government. c) checks and balances. d) judicial review.

The correct answer is judicial review. It stated that the Supreme Court had the right to determine which laws were in accordance with the Constitution. "Checks and balances" is incorrect because it implies ALL checks and balance, and judicial review is but ONE.

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.

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.