Answer:
As coauthors of the “Federalist Papers,” Alexander Hamilton, James Madison, and John Jay all urged ratification of the Constitution.
Explanation:
The federalist articles were written to reinforce the need to create and ratify the federal constitution that would solve the governmental weaknesses generated by the confederation's articles in relation to a central and unitary government. In this case, we can conclude that both the author and the co-authors of these articles requested ratification of the constitution.
All of these articles were brought together in a single book, called "The federalist".
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Grassroots is on opposition to the main power; it refers to the individual people, and their organisation, who are not in power positions. Often this means a local organisation, which focuses on the specific issues of the group rather than tries to participate in big-scale politics.