The Chinese dynasty that used to control of Bronze production was the Shang dynasty (option A). It was around 2000 BC, and it was characterized by maturity of the civilization, it also suffered a process of urbanization and social order. Many rituals were made in bronze. What is more, there were centers of bronze technology
The answer would be: “Free African American(s) were allowed to enlist in the Union army and Navy.
If they wanted to fight against the confederacy and the slavery supporters then they were allowed to because the Emancipation Proclamation allowed them to join the Union army.
Hope this helps. :)
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</h2><h2>Country to end the apartheid.</h2>

<h2>South Africa was the only one Country to end the Apartheid. </h2>
<h2>Hope it helps you</h2>
B. helped prevent and cure diseases like tuberculosis and polio.
Answer:
A slave
Explanation:
Slaves would do all the work for people. They'd take care of everything so I'm not saying A is right, but that is the answer I would go with. Unless I knew other wise.