A number of individual beats grouped together is called : C. Precinct
One of an example of a precinct is : Police precinct. In a police precinct , it's usually consist of a couple of police officers that beats and grouped together for a specific purposes
That the citizens vote for there leader
The Constitutional basis for conducting the decennial census<span> is to </span>reapportion<span> the U.S. </span>House<span> of Representatives. (I think from the last time i did this but i hope that helped)</span>