The answer to 1 is d. The answer to 2 is a.
The most icononic parts of the 19th century inventions are the advances in electromagnetics. From Volta's battery, to Graham Bell's telephone and telegraph, communication has started to be developed during the era. Lighting industries flourished during the period.
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Answer:
July 4, 1863, is often considered the turning point of the Civil War. Two important battles resulted in defeats for the Confederacy.
To outline the reasons behind the writing of the US Constitution and the goals of the document.
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