This document outlines the various constitutions that governed Texas over time, including under Mexican rule, as the Republic of Texas, after joining the US in 1845, during the Confederacy in 1861, and subsequent revisions in 1866, 1869, 1876, and questions around potential future revisions. Key points include that Texas was initially governed under the Mexican constitution of 1827 after independence, the 1845 constitution allowed slavery and joined as a slave state, the 1861 constitution strengthened slaveholder rights when joining the Confederacy, and later revisions grappled with Reconstruction and balancing business and agricultural interests.