Answer:
Technological innovations increased agricultural yields.
Explanation:
The Chinese economy in the period 1200-1450 increased due to higher production of agricultural crops with the use of new technologies. In the period of song dynasty, an early growing rice cultivar was produced which can be grown multiple times in a year. Due to multiple harvest, food was available in large amount for the people so we can say that innovations increase the yield of crops.
Answer:
B. Congress wanted a return to isolationism.
Explanation:
I would say Polytheism(the belief in multiple gods)
I think the answer to your question is Red Scare because I have never herd of the Red Smear before.
Answer:
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