Which of the following is a mandatory responsibility of a u. s. citizen? *

a: serve on a jury if called

b: serve in the military

c: register to vote

d: take part in community service activities.

The only mandatory responsibility from the list would be to "serve on a jury if called," since this has to be forced upon many people who otherwise would not attend. 

Delaware, pennsylvania, new jersey, georgia, connecticut, massachusetts bay, maryland, south carolina, new hampshire, virginia, new york, north carolina, and rhode island and providence plantations where the 13 original colonies