The world is compose of people with different nationalities. You could distinguish each nationality on the persons appearance. There are those with fair complexion, with black hair and chinita eyes, and medium built called asians. Those six footer height, brown eyes or blue eyes, red or brown hair, with white complexion and they are the westerners, and the black man from Africa. All these nationalities live in the same world, the same air they breath and the same time they use to live. Why can't all these nationalities stand together as one. Why do they fight each other, what is the root case? Why not live in peace.