Why is there so much racism in the world

Me i need a correct answer how did mlk jr.’s “voice” in his speeches shape the civil rights movement?

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

Drag the tiles to the boxes to form correct pairs. match each word with its synonym irate wasteful unmerciful headstrong extravagant stubborn heartless angry