Explain why you chose your answer. what effect did the northwest ordinance have on ohio culture? a) it outlawed slavery and required a public university as settlement and a part of statehood. b) it outlawed slavery and required all children to work until they were 19. c) it declared slavery legal and required a public university as settlement and as a part of statehood. d) it declared slavery legal and required children to work until they were 19.

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.