Who was the primary author of The Federalist Papers, writing 51 of the 85 articles published to increase support for the ratification of the U. S. Constitution? A) John Jay B) James Madison C) William Yates D) Alexander Hamilton

"The Federalist Papers" is actually written by three writers namely John Jay, Alexander Hamilton, and James Madison which includes eighty-five essays. But the primary author of "The Federalist Papers" is Alexander Hamilton. The answer for this would be option D.