Yes it is very well known even I know spout
Answer:
Many Texans that lived in that area of Mexico believed they were being mistreated by the laws being put upon them by then President of Mexico Santa Anna
Explanation: Most of the Texans were Americans that immigrated from Amercia. Furthermore, they disliked the merging of Coahuilla and Tejas (Texas) into Coahuilla y Tejas becuase it lowered there representation in the Mexican Government.
Dark matter has been given this name because it doesn't seem to interact with regular matter in any way. It doesn't collide with it, or absorb energy from it. We can't see it or detect it with any of our instruments. We only know it's there because we can see the effect of its gravity.
