1. <span>A) Missouri Compromise--the Missouri Compromise divided the country in half with slavery allowed in the South and no slavery in the North. The Kansas-Nebraska Act called for popular sovereignty or voting on the issue of slavery.
2. </span><span>A) for his attempt to seize the arsenal at Harper's Ferry-- John Brown was an extreme abolitionist who wanted to help slaves out of slavery. The raid on Harper's Ferry was the goal of collecting weapons to aid in his abolitionist goals.
3. </span><span>D) Citizens who helped a runaway slave could be imprisoned-- The Fugitive Slave Act was passed with the Compromise of 1850 and required all people (Northerners included) to return runaway slaves to their owners. Those aiding or hiding fugitive slaves would face federal theft laws. </span>
1. "Missouri Compromise" is the one among the following that <span>was nullified by the Kansas-Nebraska Act. The correct option among all the options given in the question is option "A".
2. Abolitionist John Brown was executed because </span>for his attempt to seize the arsenal at Harper's Ferry. <span>The correct option among all the options given in the question is option "A".
3. </span>Under the new Fugitive Slave Act passed in 1850, c<span>itizens who helped a runaway slave could be imprisoned. The correct option among all the options that are given is option "D".</span>
