Whenever a phrase does not convey a complete thought on its own because it is missing the subject, the verb, or both, it is a sentence fragment. In other words, a fragment is a group of words that looks like a sentence but lacks something essential to make sense. An example of a fragment is: Wants to go (there is no subject).
"In every class" is missing both the verb and the subject, meaning it is incapable of expressing a full idea. Therefore, it is a fragment.
George Washington's view on bigotry was that people who do not value variety and religious freedom are bigots and this is what is found in Patel's point of view which is that people need to work together regardless of their religion.
The action of a play is generally confined to a "world" of its own—that is, to a fictional universe that contains all the characters and events of the play—and none of the characters or actions moves outside the orbit of that world.