The fact that Texas is the largest state in the US is the greatest factor that explains why it is isolated both economically and socially, simply because people find it harder to leave the state on a regular basis.
The British<span> said they would stop colonists from settling in the West.</span>
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the one along the lines of "essential to the advancement of man" since Aristotle was convinced that people uneducated about their choice in government would choose a bad one.</span></span>
I'd say C for 10, D for 11, and A for 12.
But you might want a second person to verify.