Which of these details supports the central idea. Central Idea: new ideas or inventions are not always planned A: George Crum worked at a resort in Saratoga, New York
B: George Crum called his new invention "saratoga chips."
C: The mechanical peeler was invented in the 1920s.
D: Potato chips, a very popular snack food, were created by accident.

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.

less available tax revenue

this basically means that when they get money from taxes wirth having a lower gdp they get less then what others have with a higher gdp