Answer:
C ( by suggesting there was a wealth and a variety of goods available in China)
Explanation: i took the quiz
In Dred Scott v<span>. </span>Sandford<span> the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.
Hope I could help :)
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"Countries with a sphere of influence should maintain free access to their ports"
The answer is C. The new forms of communication such as phones and morse code improve communications. The railroad and steamboat improved transportation.
