Hey! i have asked a question and no one answered it. it is 15 points and a so can someone pls go to my page and and answer it! i need it answered like right now. pls

Ineed ! 10 more minutes until test is ! will give 15+ points and ! kansas history which is an example of popular sovereignty? a. the fugitive slave law enforces stricter penalties for people who runaways. b. the united states congress passes a bill limiting the slave trade. c. settlers in nebraska vote on whether they wish to make slavery legal. d. an abolitionist exercises free speech by publishing a newspaper.