What was the 18th Century European movement in which thinkers attempted to apply the principles of reason and the scientific method to all aspects of society?

the puritans were a group of people who grew discontent in the church of england the common unity strengthened the community.

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.