The Federalist was a collection of essays
a. about the nature of political parties.
b. that responded to the critiques of Antifederalists.
c. that promoted the Antifederalist cause.
d. about the major battles of the Revolution.
The Federalist was a collection of essays "b. that responded to the critiques of Antifederalists," since the main goal of the Federalist papers was to promote the ratification of the Constitution.