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D. Castro started manufacturing hydrogen bombs with the help of communist China.</span>
The carolinas are the u.s states of north Carolinas and south carolinas then they turnd northwestand marked the location with stakes
If taking about Dred Scott, it might be said that he sued for his freedom but lost. He was a slave and his freedom was denied even though he lived in a free territory.
-Solomon Northrup was a back freedman who lived in New York. He was capture and sold into the New Orleans slave market.
-Roger B Taney repealed effectively the Missouri compromise.
They would probably study a development of trade, Among others.