Why was it so difficult to abolish without more federal control

How can congress clarify parts of the constitution that are unclear?

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

The document asks about dependents because the number can affect who pays taxes. increase overall taxes. lower overall taxes. affect when to pay taxes.