In the transformation of the colonies into commonwealths during the Revolution, Massachusetts most effectively institutionalized the political theory of popular sovereignty. The concept of the constitutional convention and popular ratification, initiated by the Massachusetts Constitution, underscored the constitutional significance of the American Revolution. This is a comprehensive problems-source-book on the Massachusetts Constitution of 1780, containing seventy-one documents. Originally published in 1961. A UNC Press Enduring Edition -- UNC Press Enduring Editions use the latest in digital technology to make available again books from our distinguished backlist that were previously out of print. These editions are published unaltered from the original, and are presented in affordable paperback formats, bringing readers both historical and cultural value.