The Declaration of Independence, which was written by Thomas Jefferson, was created in part to show how the colonists had been mistreated by the British. The main complaint was that the British had heavily taxed the colonists--through Acts such as the Tea and Stamp Act--without allowing them representation in Parliament.
Well the 3/5 comprise had allowed for the Southern states to count only "3/5" of their slave population in addition to their total population in order to have enough representatives like the populations of the Northern states
It gave them the confidence to fight for their rights knowing the British would win the war if they didn't help.
Option c
Explaination edge2020
Letter B (physical) is the answer correct