Due to the stories in the <em>The Horse, The Wheel and Language</em>, scholars know that the Indo-Aryans first lived as hunter-gatherers, although they later survived as mobile herders as well. When the steppes became drier and cooler and the cattle, horses and bronze technology were introduced by influence of Balkan cultures, the Indo-Aryans started to adapt their way of life to become mobile herders.
According to one of the fundamental rules of the Constitution, the ultimate authority in the United States is held by "The people" - the President, Senate and the Supreme Court are only there to enforce and represent this authority.
