A thesis statement is the central idea of a piece of writing and summarizes the main focus of a paper. Though sometimes unstated, a thesis should always govern a paper and the body of the paper should either directly or indirectly support the thesis statement. A thesis statement is usually found at the end of the introductory paragraph.
A strong thesis statement:
Colleges must do more to prevent sexual assaults on campuses.
Despite cost or perceived need, institutions of higher learning must have clear policies and procedures in place to prevent and manage sexual violence on campuses, including prevention programs, training, and appropriate public safety measures.
The North and South fought the Civil War for many reasons, some of which were the same and some different.
While both sides fought the Civil War over the issue of slavery, the North fought for moral reasons while the South fought to preserve its own institutions.