Complex sentence: Scholars also have differing interpretations of the scope of Presidential power guaranteed by the Constitution, but they generally agree that "unity" in the Hamiltonian sense refers to the Constitution's vesting of executive power in a single president.
Split into simpler sentences: Scholars also have differing interpretations of the scope of Presidential power guaranteed by the Constitution. Regardless of individual interpretations, academics generally agree that "unity" in the Hamiltonian sense refers to the Constitution's vesting of executive power in a single president.