There are many more positive conditions of slavery

There are many more positive conditions of slavery than that of one man being the property of another, and being subject to his will and dominion: and if such positive conditions be necessary in every association of men, both under a civilized government as states but little removed from that of nature—if various ranks and orders of men be necessary, that the political wheel may go round, that the purposes of social life be more completely fulfilled, … [let it be admitted.]
~ Jesse Foot (1792)