Is this a thesis statement? - Misty Copeland gained recognition as the African American woman to become the principle dancer for the American ballet theatre

Yes

Explanation:

A thesis statement is the main sentence that expresses the main idea behind a research paper. It also expresses the main theme of an essay like any argumentative essay or the expository essay. It normally occurs at the conclusions of an introductory paragraph.

In the context, the sentence given is a thesis statement. Here the sentence concludes the idea that Misty Copeland became the main dancer for the American ballet theatre.

b. local conflicts are more likely escalate when the parties come from different civilizations

Explanation: