Answer:
In exchange, horses, glassware, textiles, and manufactured goods traveled eastward. One of the most famous travelers of the Silk Road was Marco Polo
Explanation:
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Living organisms contain relatively large amounts of oxygen, carbon, hydrogen, nitrogen, and sulfur (these five elements are known as the bulk elements), along with sodium, magnesium, potassium, calcium, chlorine, and phosphorus (these six elements are known as macrominerals).
The USA's last trade surplus was in 1975.
The mountains, Riverdale weather could of slowed down the spread of Christianity
Answer: Blacks did not have citizenship and therefore lacked legal standing
In Dred Scott v. Sanford the Supreme Court ruled that a black person whose ancestors were imported into the U.S., and sold as slaves, could not be an American citizen and had no standing to sue in federal court.