What was an effect of the duke coal ash spill?
a. the coal industry reduced the total amount of coal that could be mined.
b. duke energy went out of business due to millions of dollars in fines.
c. the dan river dam was built to provide an outlet for liquefied coal ash.
d. north carolina legislators changed coal ash storage requirements.

- "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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d) the constitution rights of native americans and their right to self-government on reservations