What is the multiple choice questions? In your picture it gives a list of multiple choice answers right? Without it, my answers may be wrong, so include the multiple choice answers in a another picture. Otherwise I can't really answer this question. Thanks. I will answer it if you include the picture, and if there isn't then tell me.
Answer:
Sandford, legal case in which the U.S. Supreme Court on March 6, 1857, ruled (7–2) that a slave (Dred Scott) who had resided in a free state and territory (where slavery was prohibited) was not thereby entitled to his freedom; that African Americans were not and could never be citizens of the United States.
Explanation:
Bartering and raiding. They never had a merchant system.
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It is known as Eastern Siberia, and please ask environment and geo questions in geography.
