Why did Mexico want Americans to settle in Texas? What Major topic caused tension between Texans and Mexico?

By 1830, there were 7,000 settlers from the United States living in Mexican Texas. But tensions between the Mexican government and settlers from the United States grew as Mexico unsuccessfully attempted to halt further immigration and settlers pushed back against Mexican legal codes.

Explanation:

Initially, Mexico recruited white settlers (Anglos/Texians) to become loyal TX citizens; Farmers were drawn to rich new cotton land selling for a few cents an acre; some were wealthy planters that brought large number of slaves with them when Mexico was prohibiting slave importation; settlers lusted for new western land and TX was a accessible Mexican borderland

Explanation: Hope this helps :)

c is your answer have a great day make the brainlest

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.