1) invasions by nomadic peoples from Central Asia" is the one unfying factor that contributed to the fall of the Han dynasty, the fall of the Roman Empire, and the
fall of the Abbasid Empire.
Explanation:
The fall of the empire and therefore the dynasty were similar as a result of each toughened social unrest throughout their collapse. The autumn of Rome and Han dynasty China were additionally similar as a result of they each round-faced roving invasions that greatly contributed to their decline.
Causes of the French Revolution. 2. Political conflict: conflict between the Monarchy and the nobility over the “reform” of the tax system led to paralysis and bankruptcy.
Cyrus McCormick in 1831. This machine was used<span> by farmers to harvest crops mechanically. For hundreds of years, farmers and field workers had to harvest crops by hand using a sickle or other methods, which was an arduous task at best</span>
