In Crafting the Executive Branch,what Was the Motive Behind the Decisions

In crafting the executive branch,what was the motive behind the decisions of the Constitution's Framers?

A) to create an effective national leader directly tied to the citizens
B) to create a strong national leader who would have direct ties to state governors
C) to create a leader with enough authority to protect the nation from domestic and foreign threats but not so strong that he or she would jeopardize liberty
D) to create a weak national leader that could easily be dominated by Congress