Answer:
Hamilton recommended to Federalists that they support Jefferson because he was "by far not so dangerous a man" as Burr; in short, he would much rather have someone with wrong principles than someone devoid of any. Hamilton embarked on a frenzied letter-writing campaign to get delegates to switch votes.
Step-by-step explanation
The Republicans united themselves as a party that went against Hamilton's system that supported the federal government over state rights. ... This Federalist stance became especially important in the election of 1800 when Hamilton urged that the popular vote be circumvented so that the Federalists would not be defeated.