A. Astronomers predicted eclipses and developed a 365-day calendar.
(CORRECT)
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B. The city of Machu Picchu was probably a retreat for nobility.
(INCORRECT)
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C. Scribes painted books and kept records of taxes and territories conquered.
(INCORRECT)
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D. Emperors communicated using runners from the capital city of Cuzco.
(CORRECT)
Franklin D Roosevelt was an American statesman and political leader who has served as the 32nd president of the United States from 1933 until his death in 1945.
Saratoga Leads to Full Alliance In December 1777, news reached France of the British surrender at Saratoga, a victory that convinced the French to make a full alliance with the revolutionaries and to enter the war with troops.
American factories were retooled to produce goods to support the war effort and almost overnight the unemployment rate dropped to around 10%