Understanding that racism exists is not enough. It is necessary to act: to debate the subject and to bet on practical actions that reverse the historical racial inequality in justice. This goal, he said, cannot and should not be a black agenda alone. “Getting racism clean,” as the educator argues, requires affirmative action to be more than just ethnic-racial quotas in public universities.
Yes, humans did exist in the cenzoic era but i don't think they were the first to appear in it
The answer in the space provided is consciousness. It is because consciousness allows a person to be aware of the things that is around him or her in a state of being awake in which it involves of having to make decision, to day dream, reflect and even concentrate as they are the things done when a person is awake and conscious.