Identify the Enemy
"We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America."
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Find your county, municipality, city, township or village, whatever it may be. Find its charter. The charter should detail the governing body, the personnel that supposed to be within the governing body and its form. It should also explain its hierarchy of power and authority. (Example)
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Once you find that out, you could identify each position by name within your communities. Take notes or write them down or save them in a Word document as links. (Example)