Who fought in the texas war for independence and what were they fighting for ?

Mexico colonies & Texas colonies

and they were fighting because Texas Revolution was the refusal of many Texas, both Anglo and Mexican, to accept the governmental changes mandated by "Siete Leyes" which placed almost total power in the hands of the Mexican national government and Santa Anna.

Explanation:

I used all my notes for this answer so i hope this helped you a bunch

lying without the limits of the several states; and may permit them, at such times, and in such manner as it