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.
*dont just blindly trust my answer
B) internet
I THINK this may be the answer because Those all physically do increase due to growing demand. The internet dosnt exactly grow in that regard
Originally, Athens was ruled only by tyrants. Later, Solon changed autocracy laws: Athens' council would be elected by merit, not birthright. Eventually, Cleisthenes introduced the concept of a council of all the free male citizens: democracy was born!