False. Mexico was already independent. The settlers, largely from Tennessee, came in order to support the Texas independence movement. Not Mexican independence from Spain.
I'm pretty sure it would be (c) - Africa
With education, the common man would be able to select leaders wisely and fight back against the tyrannical instincts of those in power.
He would be able to understand, maintain, and protect his rights, so that government could not usurp authority and devolve into despotism.
It led to the development of a meat packing industry in Texas
i think it is A most defiantly to my opinion