He condemned the financial excesses of the prior administration and pledged not to interfere with congressional financial policy. All in all, Harrison committed to a weak presidency, deferring to "the First Branch", the Congress, in keeping with Whig principles.[103][102]
He addressed the nation's already hotly debated issue of slavery. As a slaveholder himself, he agreed with the right of states to control the matter:

The lines, too, separating powers to be exercised by the citizens of one state from those of another seem to be so distinctly drawn as to leave no room for misunderstanding…The attempt of those of one state to control the domestic institutions of another can only result in feelings of distrust and jealousy, the certain harbingers of disunion, violence, and civil war, and the ultimate destruction of our free institutions.