The united states began sending large numbers of military advisers to south vietnam after which had occurred? (points : 2) ho chi minh began supplying and supporting communists in the south. ngo dinh diem won in presidential elections in south vietnam. china sent hundreds of thousands of troops to aid the north. lyndon johnson escalated the war with air strikes.

d) the lindbergh baby kidnapping

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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.