The answer is D. Weak men and those with a prejudice towards Europe. Because in Paragraph 3 explains it . Hope it helps
Andrew Johnson's behavior in office hurt the cause of the Reconstruction era, since he abandoned many of the more-liberal policies that he had trumpeted earlier, leading to a federal abandonment of the oversight process in the South.
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Two main things that happened during 1963? Martin Luther King, Jr.'s famous "I Have a Dream" Speech, and JFK's assassination.