Which of the following is a shared cause of the downfall for both the han and roman empires?
a. both empires were split into three kingdoms.
b. both empires grew too large to protect.
c. both empires attempted to close the silk road.
d. both empires were weakened by democratic protests

What were the 2 main reasons why the chinese came to america ?

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.

Why would employers want there to be large numbers of unemployed workers around?