An Ice as basically starts when a large change in the earth's climate changes of a huge scale, mostly caused by what we call "Incoming solar radiation"
The sun throwing off the intensity and timing of the heat making the cycle of glacial or inter-glacial results go over and over again.
Answer:
The answer would be B: Lincoln has promised to invade the southern states in order to end slavery.
Explanation:
They had different religions, beliefs, ideals, lived in different regions, and etc. Their culture as a whole are different even though certain aspects are similar.