Many linguists agree language developed in two stages, beginning with: 1) noises and gestures for danger, 2) symbols or drawings of food, 3) "sentences" of noises making up something meaningful.

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.