which of these indicated that the tang dynasty had lost the mandate of heaven? (4 points)

military defeats, rebellions, and economic troubles

earthquakes, economic troubles, and isolationism

rebellions, mass migrations, and military dictators

crop failures, reduced exports, and weakened currency

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bilateral multipolar bipolar unilateral

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bipolar.  

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true false

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true.

explanation: