what is the purpose of a thesis?
a. present an argument to the reader
b. describe an interesting story to engage the reader
c. provide details so the reader knows everything the paper will cover
d. present both viewpoints of an argument so the reader can choose which to believe

To present an argument to the reader is the main purpose of the thesis.

Explanation:

A thesis or a thesis statement is an argument proposed in a single sentence to make the readers aware of what topic is the paper dealing with, and what is the researcher trying to prove.

A thesis does not necessarily provide all the information about the paper, nor does it mention any viewpoint opposite to the one that the researcher is trying to prove.

the compromise of 1850 was a package of five separate bills passed by the united states congress in september 1850, which defused a four-year political confrontation between slave and free states on the status of territories acquired during the mexican–american war