Justify the outcome of the civil war

Slavery was permanently abolished in America and the United States was United once again. The Civil war was justified simply for the fact that if the South had not seceded, it is possible that slavery would have gone on for much longer and that the divide between North and South would have deepened beyond repair

Explanation:

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

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