The answer is "it kept the balance of slave states and free states equal"
The Missouri Compromise is created in order to form a balance between the free states and slave states. In this compromise, it gave Missouri a chance to become a slave state, in turn, Maine would become a free state.
I think it is 50°. If 130 is also the angle of elevation, then it is also the angle of depression. So the two angles up there (depression and x) equal 180 so - 130 = 50.
Answer: c1700
Explanation: Three century