The three most common local units of government are , , and .

cities, towns, and villages

In the explanation. :)

Explanation:

The most common local units of government are cities, towns, and villages. Other types of political units might include school districts.

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for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;

answer called a epicycle;