Why was the period in the United States from 1866-1877 called "Reconstruction"?

because he wanted to bring the Nation back together as quickly as possible and in December 1863 he offered his plan for Reconstruction which required  that the States new constitutions prohibit slavery.

Explanation:

- "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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