What event in A. D. 220 led China into a long period of chaos?
Group of answer choices

A the invasion of the Mongols

B the invention of gunpowder

C the introduction of Buddhism

D the fall of Han dynasty

Which plan proposed to maintain open trade between china and western nations? open door policy national sovereignty missionary diplomacy salutary neglect

Nazis who forced jews to live in ghettos also forced them to

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario