When writing a persuasive essay what should i use the information obtained from research for?

Suppose you need to verify how correctly use commas you open ur english textbook and scan the chaper titles in which one would most likey find the information you need

Fill in the blank: modernism can be seen in movies with (choose the best answer a. a technological and scientific view b. a fantasy type twist c. an anti-consumerism slant d. a realistic and non-imaginative slant

To choose a good persuasive essay topic, begin with a big idea, narrow it down, and a. then narrow it down more; it is impossible to have a topic that is too narrow. b. do some research to see what you should write about c. specify-ask a question you want answered in your argument