What is a good way to come up with a topic for a paper?

a. use the ideas of friends and classmates.
b. research a subject that interest you.
c. brainstorm unfamiliar ideas.
d. search for a very specialized topic.

Read this excerpt from mohandas gandhi's "banaras hindu university speech." what is the speaker's purpose a. to persuade his audience to struggle for self-governance through peaceful means b. to urge wealthy indians to act instead of merely talk about poverty c. to inform the audience that the british colonial power is stealing indian resources d. to persuade his audience to renounce materialistic wealth and pursue spiritual wealth