The correct answer should be Entrepreneurship because he wants to become an entrepreneur, that is, start his own business.
The statement is a sentence because there is a subject, a predicate, and the thought is complete.
The subject of the sentence is: <span>Samuel Clemens
The predicate is: </span><span>became one of the best-loved American storytellers
with "became" as the verb
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did you mean main idea?
the main idea is the central, or most important, idea in a paragraph or passage.
An author's argument is the opinion or belief that he or she wants to persuade readers to believe.
Visiting his mother would be so cold he couldn’t talk to her.