How does Islam address the issue of racism and nationalism?

Islam firmly opposes racism and nationalism in all forms. 

It teaches that all human beings were created from the same origin clay which means no one has the right to claim superiority over another.

Regardless of cultural or racial differences, we are all composed of the same essence. 

In the sight of Allah, true superiority is not based on skin color, ethnicity, or nationality, but on righteousness and piety.