<span>Spoiler effect: it is the effect of votes splitting between ballot questions, or the candidates of the election. </span>
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.
People were able to walk to North America through Russia long ago during the Ice Ages, but the oceans have long since risen and flooded the path that we once took.
The answer is humans are capable of creating a fair system
The answer to this question will be
C.
outsourcing labor
