Common Sense by Thomas Paine was highly instrumental in convincing the colonists that they should separate from Great Britain, since it called into question the idea that such a vast and prosperous land should need the support of a small island nation (Britain).
Answer:
Land with waters that drained into the Mississippi River.
Answer:solar wind and geothermal
Explanation:
Well, it is like the Biblical story about the Tower of Babylon - in the beginning, there was only one language and all the people in the world spoke it. However, because of many disputes and quarrels, they all separated and created numerous new languages. The same thing happened in the real world (if you don't believe in what the Bible says) - there used to be Proto-Indo-European language, but over time, it developed many new languages as people grew apart and created new nations.