Plz help Which group of historical events had the most to do with abolition?

The Fugitive Slave Act, the Dred Scott decision, and the Kansas-Nebraska Act
The Compromise of 1850, the Mexican-American War, and the Gadsden Purchase
The annexation of California, the Anthony Burns case, and the Harper's Ferry revolt
The Louisiana Purchase, the Missouri Compromise of 1820, and the annexation of Texas

Fugitive slave act, dred Scott decision, and the Kansas Nebraska act

Explanation:

correct me if I'm wrong

a

explanation:

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation: