Answer:
U.S. and Allied airplanes delivered supplies to West Berlin for almost a year, but the Soviet Union NEVER gave up. All of Berlin is now under Communist rule.
Explanation:
I would say the correct answer is <span>D. The increase in food production that allowed more people to pursue education.
I don't think A is correct because peasants and the bureaucracy don't really have much to do with science or culture; B is also incorrect because the Song dynasty didn't have a caste system; C is incorrect because women at the time didn't really affect culture or science. This is why I believe D is the correct answer.
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Isaac Newton was a philosopher that came up with the scientific method