What is the main goal of a thesis statement?

a. to set the tone of the piece
b. to introduce the topic
c. to establish a focus
d. to engage the audience

The main goal of a thesis statement is c.to establish a focus.

Thesis refers to the statement which put forwards own belief and what is intended to prove. A good thesis statement helps to focus on important information.

The main goal of a thesis statement is to guide the audience what can be expected from the essay. Thesis statement act as a road map which enables the focus of the audience and help them in answering the questions. In the single statement, provides the argument to the reader and persuades the reader with the logic of one's interpretations.

the answer should be a)directions.

the correct answer would be d.