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.
The answer is D hope this helps and good luck on the test
Hernan Cortes was a Spanish Conquistador who led an expedition that conquered the Aztec Empire and imperialized large parts of Mexico. Cortes conquered modern day Mexico on behalf of the Spanish kingdom of King of Castille in the 16th century. Cortes was a part of the early colonizers from the Spain who conquered and colonized large swaths of the Americas. The Spanish conquered enormous swaths of Latin and South America and the effects of this colonization can still be seen in the language, culture, and lifestyle of this region.
The United States Supreme Court favored Thomas Gibbons he held a federal license to do business...Federal authority covered interstate commerce including river navigation.
