DiLorenzo's book, "Lincoln Unmasked: What You're Not Supposed to Know About Dishonest Abe" (2007), continues his explorations begun in "The Real Lincoln." In a review, David Gordon stated that DiLorenzo's thesis in the 2007 volume was that Lincoln opposed the extension of slavery to new states because black labor would compete with white labor; that Lincoln hoped that all blacks would eventually be deported to Africa in order that white laborers could have more work. According to Gordon, DiLorenzo states that Lincoln supported emancipation of slaves only as a wartime expedient to help defeat the South.