I believe the answer to your question is D.
Framers of the Constitution created a system of checks and balances so no one branch of government would be more powerful than the others.
I believe it's <span>B. The Supreme Court ruled that Dred Scott was not a citizen of the United States because he was not white, and therefore could not sue in the courts. </span>
To mail a letter from LA to portland, it takes approximately 15 hours