It is definitely not true that many small rural communities have best transport, so we can reject the option b) and d) together with it.
The best answer is that they don't have mass transit systems (a is the correct answer). It's not true that they can walk everywhere because they can for example be forced to walk to a different town if they need a hospital.
The correct answer is A. Humanism led to a renaissance of classical learning.
Explanation
According to the fragment, it can be concluded that Humanism was an intellectual movement whose purpose was to study human action and thought using the authors of classical civilizations as resources. This made classical civilizations and especially the thought of classical philosophers take on relevance during the humanist era. These thoughts were revived to be implemented in social and intellectual dynamics. Therefore, the correct answer is A. Humanism led to a resurgence of classical learning.
I am thinking the answer is D) The Texas Revolution started after the Mexican government attempted to keep the oil discovered for itself rather than for the use of the people of Texas.