Answer:
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The Underground Railroad was a network of people, houses, and roads that led slaves from the South to the North to escape their masters and enjoy freedom in the North and in Canada. Conductors were people who led slaves from one house to another to evade Southern rangers who were looking for their masters' lost slaves.
Based from this information, statements 1 and 4 are characteristics of the Underground Railroad.
There is no record of any dynasty before the Shang.
<span>What term identifies the name of cords and knots of various colors used by the Inca to keep tax and census records?
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-quipus
Using irrigation system was the practice closely associated with most ancient river valley civilization.
