This article in Journal of the American Revolution does a great job describing features of the 1691 Massachusetts charter and how the Massachusetts Government Act passed in the aftermath of the Boston Tea Party increased support for independence.
https://allthingsliberty.com/2026/03/when-some-americans-first-lost-their-constitution/ (https://allthingsliberty.com/2026/03/when-some-americans-first-lost-their-constitution/)
In Liberty,
Desert_Diver