Speech of Hon. A. W. Mack on the Slavery Question in the State Senate. (Springfield: Baker and Phillips, 1865). Published speech of Illinois State Senator Alonzo W. Mack of Kankakee County, urging "the complete destruction of the military power of the rebel government" and "the complete abolition of the system of domestic slavery," delivered in the State Senate on January 20, 1865. 20 p.