Which phrase describing china's song dynasty is accurate?
a.
completed construction of the
b.
was overthrown by invading mongol tribes in a. d. 1279
c.
conquered much of central asia during the eleventh century
d.
expelled all foreigners from china during the seventh century

the answer is C. conquered much of central asia during the eleventh century

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increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.