The main <span>connection between the Great Wall and the Mongols was that the Great Wall was erected by the Chinese in an attempt to keep the Mongols out of China (this largely failed). </span>
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Battle of little Big Horn is when the indians wipe out George Custer's 7th cavalry
The answer to your question is the Missouri Compromise.
B, because they didn't have the same kings and queens, so they don't have the same authority as each other.