Which of the following statements best reflects the cause for both the fall of the western roman empire and the fall of han china?
a. the collapse of imperial power coincided with the demographic impact of epidemic disease and external threats
b. invasion by fierce northern nomads brought diseases which undermined the existing social order
c. new religious traditions threatened the existing social order
d. an unchecked military and constant threat of invasion

Why was the german military occupation of the rhineland a problem for europe nation ?

He seventeenth amendment to the us constitution calls for the direct election of all us senators. this means that the people of each state get to vote to decide who will be their two us senators. before this, the legislatures of each state chose the two us senators from that state with no direct involvement of the average voter. why would this amendment be considered a reform? how would it benefit the people? even today some people claim that the seventeenth amendment was a bad idea. what arguments could be made for reverting selection of us senators back to the state legislatures?

What statement characterizes japan’s economy during the meji restoration?