White supremacist racism in America is systemic. Today, although the United States has abolished apartheid on the surface, the racism that guarantees white supremacy and priority has long been deeply ingrained in every aspect of political, economic and social life. One of the prime examples is the right to vote. For many minorities, such as African-americans living in Philadelphia's slums or Indians on the Navajo reservation, the rules are unfair and unequal. Some areas with large African-American populations had few polling places and closed early, while in some states, An Indian American citizen's ballot must have a white signature to count, and even with a qualified signature, that ballot could easily be nullified for other reasons.

edwards uses the phrase "o who can express what the state of a soul in such circumstances is! " in order to illustrate that this type of suffering is unimaginable. the word "express" denoted that the state of a suffering soul is required to be described by any person, but it would not happen because no one can imagine how this suffering is felt.  

-show what might happen if the reader disobeys edwards is not correct because this is described trhough the text, not by the phrase used.

-describe what endless suffering looks and feels like is not correct because this description might be the porpuse of the excerpt provided, not the porpuse of using the phrase during the writting.

-prove that few people have survived limitless suffering is not correct because it is implied that the soul of a person is already suffering and doesn't have any way to escape.

i really dont know the answer so i cant