Texas did rebel against Mexico, because Mexico passed 7 laws which did away with the many constitutional reforms.
Texas used to be part of Mexico until Mexico broke off from Spain. Mexico made new laws that Texas didn't like so the Texas/Mexico war started and eventually Texas became part of the US.
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.
There was a war and Mexico won by dropping twenty nukes on texas.
They seceded from Mexico.
Anti-slavery laws, granting freedom to all slaves.
Santa Anna, the president of Mexico, made new laws that centralized the government taking self government of the States away. Texas rebelled against this and attacked a detachment of Mexican army troops in Gonzales, Texas.
Completely illegal. Ask the best drug officer on the planet, Barry cooper. He explains how the officers in Texas, as well as other places, handle marijuana "crimes".
Mexico abolished slavery in 1829, and the Mexican government opposed the practice of slavery in Texas. However, following the Texas Revolution in 1836, when Texas gained independence from Mexico, slavery was legalized in the new Republic of Texas.
No, it should not be harder to get a divorce, but much harder to get married.
The motorcycle laws in Mexico is everyone should wear HELMET.
What is Mexico law on extradition?