Dred Scott case.
In March of 1857, the United States Supreme Court, led by Chief Justice Roger B. Taney<span>, declared that all blacks -- slaves as well as free -- were not and could never become citizens of the United States.
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Answer:
presence of the new antibiotic.
Explanation:
According to my research on the experimental process, I can say that based on the information provided within the question in this experiment the independent variable is the presence of the new antibiotic. This can be said because the differences in results do not necessarily depend on the new antibiotic since all of the cultures are being given the same antibiotic.
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Answer:
Progressives and “muckraker” writers attacked city corruption, corporate greed, poor living and working conditions, alcohol, and women's right to vote. Each of these ills saw laws and/or Amendments passed to attempt to better the condition.
Explanation:?
Answer: September 11, 2001, attack on the United States - War in Afghanistan.
Iraq's invasion of Kuwait - Persian Gulf War
Growing tensions between the United States and the Soviet Union - Vietnam War
Explanation: Good luck! :D