The people in the south of the sahara did not develop the technique in melting iron. the technique was brought to them through the trans-saharan trade. it was a trade route frequented by merchants primarily from arabia and some parts of asia. trough the trading, the civilizations in the sahara over time adopted the technique for melting iron. this would be around 12th century
With the compromise, the Republicans had quietly given up their fight for racial equality and blacks' rights in the south. In 1877, Hayes withdrew the last federal troops from the south, and the bayonet-backed Republican governments collapsed, thereby ending Reconstruction.
