As it says on the tin: with a POD at any time after 1775, have the Federalist Party be able to survive to the present day, as a significant party.
Bonus points are awarded if:
1. The Democrats, or the Republicans, and/or both, do not currently exist ITTL.
2. The Federalists are not part of a two party duopoly.
3. The U.S. still expands beyond *Louisiana and gets at least the West Coast of OTL.