It took what number of ballots and the intervention of whom to secure the presidency for Thomas Jefferson?

Alexander Hamilton and the votes of 10 states.

Explanation:

If you google your question, the first result will be of a site called US History. That is a great source for this. It says that Alexander Hamilton intervened and that Jefferson thought that he was the lesser of two evils. It also says that it took the votes of ten states to help Jefferson win the election.

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

bro where is your chart