Though the Constitution gave the framework for the new government, what did it not explain with regard to the President?

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how the President acted as the Commander in Chief of the armed forces
how the President could veto a bill
how the President should govern from day to day
how the President would be the chief diplomate

The Constitution did not specifically explain how the President should govern from day to day, how the President should act as the Commander in Chief of the armed forces, how the President could veto a bill, or how the President would serve as the chief diplomat. These aspects of the President's role were left to be determined and interpreted over time through the actions and decisions of the various Presidents who have served.