What key concept developed in the emancipation proclamation

After the attacks of september 11, 2001, the united states demanded that

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Which best explains how wealthy residents of italian cities contributed to the renaissance? a) wealthy residents bought works of art, which supported artists. b) wealthy residents participated in religion, which supported the church c) wealthy residents participated in music, which supported the arts. d) wealthy residents bought classical books, which supported scholars.