Why do we humans so often divide ourselves into we and they or in groups and out groups​

George herbert mead argued that the self develops through interactions with others. do you think that your personality or self developed through your interactions with others (parents, friends, teachers) or was it something that you were born with? give an example from your life to support your view.

Which states universal prekindergarten has been most effective in preparing children for school?

Whenever there is a vacancy in the office of the vice president, the president shall nominate a vice president who shall take office upon confirmation by a majority vote of both houses of congress