Fogel's 1989 work, Without Consent or Contract: The Rise and Fall of American Slavery, elaborated on the moral indictment of slavery which ultimately led to its abolition.
Karya Fogel tahu 1989, Without Consent or Contract The Rise and Fall of American Slavery menjelaskan secara panjang lebar mengenai dakwaan moral perbudakan yang akhirnya berlanjut ke pencabutannya.