<span>a. developed three laws of motion
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d. proved that the earth revolves around the sun
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Answer: the war
Explanation:The American Civil War was fought between the United States of America and the Confederate States of America, a collection of eleven southern states that left the Union in 1860 and 1861. The conflict began primarily as a result of the long-standing disagreement over the institution of slavery. On February 9, 1861, Jefferson Davis, a former U.S. Senator and Secretary of War, was elected President of the Confederate States of America by the members of the Confederate constitutional convention. After four bloody years of conflict, the United States defeated the Confederate States. In the end, the states that were in rebellion were readmitted to the United States, and the institution of slavery was abolished nation-wide.
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Germany had just successfully invaded France.
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Answer:
American teens have a lot on their minds. Substantial shares point to anxiety and depression, bullying, and drug and alcohol use (and abuse) as major problems among people their age, according to a new Pew Research Center survey of youth ages 13 to 17.
Explanation:
<span>Scientific cartography played a role in early European overseas expansion, but navigation remained a craft, not a science.
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