Answer:
Antarctica
Explanation:
The largest continent, which consists of ice, glaciers, below freezing temps, and both the geographical and magnetic South Pole is Antarctica.
The person who was responsible was Joseph stalin.
Missouri entered the union as a slave state
Massachusetts had a chunk taken off and created a free state of Maine
After 1820 no territory north of the 30'36 line could have slaves
Abolitionists have prevented opponents from explaining their reasonable counterpoints