English Help Please Explain Your Answer Marking brainliest if it's correct. it's about spelling which replacement corrects the spelling error in this sentence

Read the excerpt from "declaration of conscience" by margaret chase smith. the exercise of these rights should not cost one single american citizen his reputation or his right to a livelihood nor should he be in danger of losing his reputation or livelihood merely because he happens to know someone who holds unpopular beliefs. who of us doesn't? otherwise none of us could call our souls our own. otherwise thought control would have set in. this excerpt contains an example of

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Which secondary effect of advertisement happens when a customer is satisfied by a product and buys it for a second time?