Using the word "sinew" suggests that there are many components of what make peace work, and it implies that we as people must know how to be peaceful by cooperating with each other.
1st Amendment: Gives everyone the right to free speech, right to assemble, and right to religion.
14th Amendment: Gave black men the right to vote. This amendment started making the preamble to the Constitution a reality.
19th Amendment: Gave women the right o vote. Makes the preamble to the Constitution real.
The correct answer to this open question is the following.
There is no question here. It is just a statement.
However, doing some research we can say that the proper question for this statement is the following: <em>"Is Mark's service in a jury a responsibility or an obligation?"</em>
If that is the case, then the correct answer is "an obligation."
According to the laws of the state, an individual who is summoned by the state to be part of a jury has the obligation to attend. If he or she does not attend, he should be fined according to the law. If the individual cannot attend, it has to be for a very important situation that has to be explained. Otherwise, the state will consider his +/her negativity to attend as a contempt of court.