Abraham Lincoln had just signed the emancipation proclamation before he was shot which freed all of the slaves; However, the majority of the south still did not see the slaves as free and so they discriminated against them. Race relations were tight.
<span>C) thrust is not a type of boundary.
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Answer:
improving the telegraph and the telephone
The correct answer is <span>bands, tribes, chiefdoms, states
These four types of structures have commonly been found in history and they presented that most can be classified into these types. They are sometimes based on kinship or sometimes on political alliances.</span>