Many people believed that profiling was the best way to identify possible terrorists, but many others worried about violations of civil liberties.
Being assertive and confident is crucial, especially in argumentative essays. Each proposed or considered topic within the essay should have some relevance to your thesis statement.
It is the argument or focus of the essay, as well as a great structuring tool.
However, the statement should be as clear and concise as possible in the final draft of the essay.
The shorter and more direct a thesis statement is the more confident and assertive the writer sounds.