Answer: ''What, then, remains to be argued? Is it that slavery is not divine; that God did not establish it; that our doctors of divinity are mistaken?''
Explanation:
That is the title that is given as the speech of Frederick Douglass in 1852 in New York and this excerpt is best showing counterclaim because in it he is mentioning the claim that was before.
''What, then, remains to be argued? Is it that slavery is not divine; that God did not establish it; that our doctors of divinity are mistaken?''