In "Julius Caesar", by William Shakespeare, Cassius is so intent on convincing Brutus to join with the conspirators because <em>C. Brutus is highly respected, and Cassius knows that joining with Brutus will give the conspirators credibility</em>. Cassius is jealous of Caesar's power. He manipulates Brutus into the conspiracy because Brutus is a noble and respected politician and a close friend to Caesar.
An independent clause can stand on its own as a sentence such as Dave sleeps and a dependent clause can't stand alone as a sentence like when dave sleeps