--Daniel F. Rulii
John Brown's raid on Harpers Ferry—considered treasonous by some and heroic by others—helped strengthen the anti-slavery movement. Students can gain a deeper understanding of this event by studying General Lee's demand for Brown's surrender.
Links:
[1] http://publications.socialstudies.org/se/6805/6805306.pdf
[2] http://www.socialstudies.org/category/historical-period/cilvi-war
[3] http://www.socialstudies.org/category/journal/social-education
[4] http://www.socialstudies.org/highereducation
[5] http://www.socialstudies.org/ushistory