One way that the Texas Constitution and the U. S Constitution are similar is that both established a government divided into​

In many ways, the U.S. and Texas Constitutions are similar documents. They both embody the principles of representative democratic government, in which sovereignty emanates from the people. Both contain a bill of rights that protects civil liberties from government infringement… both provide for a bicameral legislature with a House of Representatives and a Senate… both seek a system of checks and balances and separation of powers between legislative, executive, and judicial branches of government… and both divide government power between upper and lower levels of government. In the U.S. Constitution the states are subordinate to the federal government, and in the Texas Constitution the counties are subordinate to the state government.

all of the choices are correct

c. the passage of the fifteenth amendment