A partition means dividing something into smaller parts.
Therefore the correct answer is:
It is divided into two or more parts.
An example of partitioning a country is the division of Poland between Austria, Germany and Russia in the end of the18th century.
The main content of the passage is to present a possible situation in which a violent leader imposes the law on the country by force ("at the point of the sword"), which presumably leads to many deaths. This was what has happened, in Paine's interpretation under William the Conqueror in England. The intention is to show that this situation is undesired in America and to encourage Americans to fight against such a government.
Subsistence level means: just covering one's own needs, not producing too much and not enough to sell and to get very rich.
So the correct answer is :<span>C. they produce only enough to feed their family, and they have little left over to sell at a market </span>
The significance was that Lincoln used it as a union victory, although it was a tie, to get the emancipation proclamation signed.