Why Did the Framers Insert the Interstate Compact Clause into the Constitution

Why did the framers insert the interstate compact clause into the Constitution?

A) to prevent the emergence of coalitions of states that might threaten federal authority or the union itself
B) to prevent any state from changing its boundaries without congressional approval
C) to prevent states from abusing their authority in terms of their citizens
D) to create a stalemate, which would make it too difficult for a state to create anything other than business arrangements with the other state
E) to make it more difficult for states to work together, thus creating more checks and balances