What force drove the revolution of the 1700's, 1800's, and early 1900's?

The late 1700s and early 1800s revolutions were mainly driven by the philosophical based enlightenment about new forms of government. The earlier forms were replicated and replaced by the more democratic forms of government. Also a series of nationalist uprising was triggered which led to the formation of new nation-states.

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.

4 is the oni could think of