Which of the following was not a specific part of the Constitution when it was adopted?
a. The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
b. The Senate shall have the exclusive power to try impeachments, and when the president of the United States is tried, the Chief Justice shall preside.
c. If a president should refuse to sign a law of Congress, it will be sent back to the House that originated the law. If two-thirds of that house agrees to pass the law anyway, it will be sent to the other House, and if two-thirds of that house agrees, the bill shall become law.
d. One of the purposes of the Constitution was to "promote the general welfare."