1911 Encyclopædia Britannica, Volume 28… (1911)
“ His uncompromising opposition to the institution of slavery furnished the keynote of his earlier senatorial career, and he soon took rank as one of the ablest and most effective anti-slavery orators in the United States. He had been deeply interested from 1840 until 1850 in the militia of his state, and had risen through its grades of service to that of brigadier-general. Upon the outbreak of the Civil War he was made chairman of the military committee of the Senate, and in this position performed most laborious and important work for the four years of the war. ”
