Why are there blacks and whites in the Middle East?

There are blacks and whites in the Middle East, which is a historical tradition. According to relevant data, Middle Easterners belong to the Mediterranean type of Europa race and are white in a broad sense. Black people in the Middle East were captured by Arabs in the Middle East. Black people originated near the equator. The Middle East refers to some areas from the southern Mediterranean to the Persian Gulf coast, including most parts of West Asia except Afghanistan and Transcaucasia where Russia borders Egypt and Africa.