Summarize the population of growth in the United States from 1970 to now.

Because more land and houses are being built from then till now more space has been made for families which means more people could make bigger families which makes for bigger jobs and more people therfore our population growth has been a neverending rollercoaster

Explanation:

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.