What conditions existed in Mexico that led American settlers to feel discontented in Texas?

Due to unfavourable conditions.

Land ownership conditions existed in the Mexico that led American settlers to feel discontented in Texas. Mexican government imposed two conditions on land ownership i.e. settlers had to become Mexican citizens and they had to convert to the religion of Roman Catholicism. Without these two conditions, land ownership was not given by the Mexican government which is unfavourable conditions for the American settlers.

the american gained the respect of other foreign nations