René Descartes is famous for
a. bridging the Scientific Revolution and philosophy.
b. presenting a theory of gravity.
c. observing that orbits in planetary motion are elliptical rather than circular.
d. measuring the spectrum of visible light.
e. publishing Essays on Human Understanding.
a
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The first electric-powered subway systems opened in __________ in 1897.
a. Boston b. Chicago c. San Francisco d. Washington, D.C.
The Bay of Pigs invasion of 1961 resulted in
A) a Cold War victory for President Kennedy. B) a strengthening of Fidel Castro's power in Cuba. C) the removal of Soviet missiles from Cuba. D) the removal of Fidel Castro from Cuba.
By the fifteenth century, the great Italian cities were the ________ for much of Europe
Fill in the blank with correct word.
The Ming Dynasty
a. under Yongle, had Chinese ships bring back Christian missionaries to China. b. sent a fleet far into the Indian Ocean. c. sent a huge army into Japan, which captured and held the city of Edo for one year until a debt owed to the Chinese government was paid. d. saw their fleets reach the Mediterranean Sea. e. dismantled the Great Wall as it was no longer needed for the defense of China.