What is the central idea of the blackhawk speech in 1832

the answer should be

the simple past tense of strive.

hope this !

- "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."

? ? what can you explain this to me i am so confused

i believe that is the truth if thats what you where asking for