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

How did europeans and the introduction of european goods and ideas change native life ?

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u. s. citizens need to protect in order to preserve the democratic political system and the american way of life.

Before world war 1 started, austria-hungry was wary of (spain or serbia) because of border disputes