Which statements about slavery in the Muslim world are correct?

Choose all answers that are correct.

Slavery had been practiced in Muslim societies since the founding of Islam in the 600s.

Since the Middle Ages, Muslim traders had transported slaves to the Atlantic ports.

Slave traders marched slaves for sixty or seventy days across the Sahara.

Most slaves were women who worked not in fields but as household slaves.

When European countries stopped participating in the slave trade, Muslim lands followed suit.