The U.S constitution was fully signed on July 4th, 1776, the day America lawfully became a country.
El Alhambre a major region for trade
To calculate the population density, you will divide the population by the size of the area. Thus, Population Density = Number of People/Land Area. The unit of land area should be square miles or square kilometers. You can use square feet or meters if you are finding the density of a smallish space.
