Federalist 70: Hamilton: 'A single executive can ask more decisively in times of crises.
A single executive will be a protection against expansion of executive power
"Essential to the protection of the country against foreign attacks, to the steady administration of the laws, to the protection of property, and to the security of liberty"
If the President tries to have too much power, the President will be the only one being held accountable.
The President will have to be more careful with having power since they will be watched over'