Famous leader (other than George Washington): How did a famous leader contribute to the American Revolutionary War?

answer; i believe that the correct answer is (scientific data);

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

here is the answer its my picture of my notebook