Texas split up from Mexico and became an independent republic. This conflict is known as the Texas Revolution or the Texas war of independence. See related questions.
Fedralist
The Texans felt no loyalty to Mexico. They would not convert to their Catholic faith, would not give up owning slaves, and also wanted to make Texas a state, all of which the Mexico did not agree with.
The sovereign needs to agree before the legislation can be passed
NAFTA
he went back to mexico and sucked
Texas and Mexico did not agree about Texas boundrys
yes.
Texas and Mexico did not agree about Texas boundrys
None. The Gadsden purchase was pressured upon Mexico by Gadsden himself.
Some people agree with the book Leviticus. I like the book of Leviticus because it is real and it happened.
The US gave Mexico $15 million and assumed $3.25 million in debt owed by Mexico to US Citizens.