It requires that USA is a democracy and can fire between 1838 and 1842 and has a mean time to happen of 5 months. That is reduced by 25% after 1839 and again by 5% after 1840. Unlike what would be logical, it does not require, that USA actually owns Massachusetts.
Politician and Lawyer Horace Mann began his reforms of the education system of Massachusetts. The system of schools became a model for the entire United States