A historian would use a calendar when he is trying to find the dates of when the event occurred, such as the dates of a battle, natural disaster, or how long a type of government has ruled.
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Communication was very important because back than they didn't have phones and T.V.s so they had to let people know of the danger soon
Answer:
Dred Scott case
Explanation:
The Dred Scott case happened in 1846, when a slave Dred Scott sued for his freedom. His master had brought him along on a trip to a territory where slavery was prohibited, and Scott said that by that right, he had become a free man. However, the Supreme Court upheld the practice of slavery, saying that slaves had no right to bring their cases to court, as they were considered sub-human. This decision stunned the nation, yet the Supreme Court stood by their choice.
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Answer:
coz théy are don't know where toilet or like animal
