Arab Slave Trade in Africa

In 1842CE, the British Consul General in Morocco wrote a letter to the Sultan to ask him if he had taken any measures to stop slavery or at least, slave trade. The sultan replied that he will not do anything about it because it has been the norm since the time of the sons of Adam and no sects of Islam are against it. Hence, he will not permit anything the Qur’an forbids and will not make unlawful anything that the Qur’an has allowed. In the Sultan’s reply, we see the simplest justification or at least, excu