Atlanta Mayor Ivan Allen, Jr.'s efforts to peacefully integrate Atlanta served as a model for the rest of Georgia. Thus, Option D is the correct statement.
A man of extraordinary courage, Ivan Allen Jr. (1911-2003) was a key figure in the struggle to establish civil rights for the African-American people.
Mayor of Atlanta in the 1960s, Allen risked his life and political future to ensure the observance of American human rights law.
Thus, Option D is the correct statement.
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