Answer:
The new states that voted in 1800 but were not part of the original 13 are
Step-by-step explanation:
when the U.S got there independence in 1776 they were 13 colonies that formed the Union and this 13 colonies created and vetted on a constitution on how they will be Governed by themselves. these thirteen colonies where in the Northern part i.e the Atlantic coast of America. the thirteen colonies later became states.
These additional three states voted in 1800 presidential election but they were not part of the Union but participated in the vote. like with the state of Kentucky they remained neutral during they American civil war but was later joined to the union in 1862, coming under the control of the union