Which of the following is a responsibility of all U. S. citizens?
A. to serve a four year term in the military
b. join the police force
c. to pay taxes
d. to run for mayor

C

Explanation:

To be a US Citizen is a blessing. Many countries make you join the military, but US is not one of them. All they ask you for in return is to pay taxes to help keep America running. Running for mayor or joining the police force is voluntary.

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