 Also in 1831, Brigham was appointed to the Brazoria district Board of Health.At the time, there was increasing discontent in Texas with the policies of the Mexican government, particularly the ban on slavery and the disarmament/expulsion of American immigrants.On June 20, 1832, Brigham joined a number of Texan politicians in signing a convention which indicated their willingness to engage in military actions to ensure the independence of Texas.