What was one condition the Mexican government placed on settlers in Texas? A) They had to pledge an allegiance to Spain. B) They had to adopt the Catholic faith. C) They had to be friendly with the Native Americans. D) They had to grow cotton.

it is A: they had to pledge allegiance to Spain

Explanation:

because since they had left the first time Spain wanted to be sure they didn’t leave again.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

i think the answer is   b.