I currently searched up the question your looking for and this is what I somewhat found
The only state that did not go was Rhode island so I'm guessing A.
Answer: President Santa Ana refused to grant Texas separate status from Coahuila and on January 3, 1834 threw Austin in prison on suspicion of inciting insurrection. He was finally released eight months later in August 1835. ... Nine years later, they led the successful movement to make Texas an American state
The system of checks and balances makes sure that one branch of gov. Doesn't get more powerful than the other by giving different powers to different branches. Like a certain branch can't do something without the "thumbs up" from the other branch. For example, the Executive Branch can veto bills from the Legislative Branch, but the Legislative Branch can override the veto. Hopefully that helped!!