How did Slave Codes influence the persistence of slavery?

The black codes were passed during the time immediately after the Civil War 1865 and 1866, The black codes were passed in the southern states as a means of maintaining the power of the former slave owners. These laws restricted the freedom of the former slaves. In effect the black codes reestablished a form of slavery in the south.

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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.

because of the war the westeners befriended japan and each other advance.