How to write a A+ thesis statement

Since John F. Kennedy was a very influential president, this is the reason why their is alotta controveries about his assasination.

Works Cited Reaserch report II

For my first book that im using....
Kallen, Stuart A. The kennedy Assasination, San Diego, Lucent Books, 2003
For my second book....
Kaplan, Howard S. John F kennedy, A photographic story of his life. New York, DK Publishing 2004