The Texas Legislature has proposed a total of 690 amendments. Of these, 507 have been adopted, and 180 have been defeated by Texas voters. Thus, the Texas Constitution has been amended 507 times since its adoption in 1876.
They were self-governing, as Massachusetts didn't have religious tolerance for others, and financial security didn't come until later into settling. Rhode Island wasn't settled by puritans and had no dominating ethnic group or religion.