1. The Prophet Muhammad teaches and preaches (khutba) "Human Equality" to Muslims during the last pilgrimage.
2. Some Islamic scholars regard the last sermon as a kind of "declaration of human rights" because it talks about the relations of people among themselves. In the sermon Prophet Muhammad declared among other things that "All mankind is from Adam and Eve, an Arab has no superiority over a non-Arab nor a non-Arab has any superiority over an Arab; also a white has no superiority over black nor a black has any superiority over white except by piety (taqwa) and good action. "
we no so little about the civiliazation because they were lost for many many years and evidence we have is that they had sewer systems and bathrooms they also had there building evenly apart
