Which of the following contributed to the downfall of the roman empire but not the han dynasty?
a: it split into western and eastern empires
b: it grew too large to govern efficiently
c: it was attacked by foreign invaders
d: it was led by weak leaders

he impacted the society ith his knowwdge and advance our research by years to come

- "the past is made of multitudinous items ranging from anything that can be collected, recollected or assessed to originate in the past. as such, the past is a gallimaufry of particulars that may not have been related in any way. however, the human mind seeks organization to understand concepts and other things. the human mind therefore seeks relationships in explaining and studying the past. history being a humanity, dictates that historians have to serve this human trait by bringing structure to details of the past. historians do this by creating interpretive frameworks that capture as many details as possible."

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