In order to introduce an amendment to the Texas Constitution what must happen? a It must pass the Senate by a 2/3 majority vote and be approved by the Governor b It must pass both the Senate and the House by 2/ vote and be approved by the Governor c It must pass the House by a 2/ vote and be approved by the LT Governor d It must pass both houses of the Legislature by 2/3 and the approved by a popular vote of the citizens of Texas