But there is another and greater distinction for which no truly natural or religious reason can be assigned, and that is, the distinction of men into KINGS and SUBJECTS. Male and female are the distinctions of nature, good and bad the distinctions of heaven; but how a race of men came into the world so exalted above the rest, and distinguished like some new species, is worth inquiring into, and whether they are the means of happiness or of misery to mankind.

—Thomas Paine, Common Sense

In this passage, what is Thomas Paine speaking out against?
A.
monarchy
B.
slavery
C.
religion
D.
warfare

In this passage:

But there is another and greater distinction for which no truly natural or religious reason can be assigned, and that is, the distinction of men into KINGS and SUBJECTS. Male and female are the distinctions of nature, good and bad the distinctions of heaven; but how a race of men came into the world so exalted above the rest, and distinguished like some new species, is worth inquiring into, and whether they are the means of happiness or of misery to mankind.

—Thomas Paine, Common Sense

Thomas Paine is speaking out against:

A.  monarchy

Explanation:

The reasons behind this answer are that in the first place we see a dichotomic relation exposed, however, we only obtain the concepts "kings" and "subjects" without a clear declaration. So it is indirect, then he explains that males and females of our species are equal by nature. Then, he rejects the idea of letting the reader know that there is no evidence that backs their supremacy above the rest.

i would say b. research typically uses a variety of sources

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.