The correct answers are “reasons”, “examples”, and “incidents”. The thesis statement is the most important sentence in the introduction of an essay, since it states the specific topic of the essay and introduces the controlling ideas. In order to prove such thesis, the writer should include reasons in the body paragraphs. Such reasons could be developed in different paragraphs or all reasons in one. Examples and incidents should also be included to prove a thesis, since they would support the reasons stated in the body paragraphs with evidence.