Why do historians refer to reconstruction as an "unfinished revolution"?

Anthony johnson, an african who arrived in virginia in 1621, a. learned the powhatan language and became a translator for governor thomas dale. b. owned slaves. c. translated the king james version of the holy bible into indian and african dialects. d. was the first slave who purchased his freedom with earnings from growing tobacco.

Which of the following actions is an example of historiography

Totalitarianism is an extreme form of government that attempts to totally control citizens’ lives.