The north of the US did not want slavery while the south did want slavery. they had a war over it (the civil war) the north won and slavery was abolished.
Slavery was allowed according to Article 1, Section 2, Clause 3 of the constitution. It was eliminated by the 13th amendment.
The name of the event happened when Middle eastern muslins contacted the bantu villages for trade is called: arab slave trades.
Muslims made contact with the Bantu to negotiate slaves, at a time when many countries in Europe, and other countries including the Kingdom of Arabia, used slave labor. The African natives who were adherents of Islam could not be enslaved by the Muslims, as this would go against the principle that free Muslims could not be enslaved.
<span>The Assyrians were known for their fighting. They were skilled at using chariots. They also developed iron weapons. ... Another achievement of the Assyrians was the development of a famous library at Nineveh by King Ashurbanipal. </span>