Adams was the primary author of the Massachusetts Constitution in 1780, which influenced the United States' own constitution, as did his earlier Thoughts on Government.
Adams ishte autori kryesor i Kushtetutës së Massachusetts në vitin 1780, e cila ndikoi teorinë politike amerikane, ashtu si edhe punimi i tij i mëparshëm "Mendime mbi qeverisjen" (1776).