The correct answer is A. Temperament.
The correct answer for the question that is being presented above is this one: "synaptic pruning." Brain development leads an infant to undergo synaptic pruning, which occurs as unused neural connections weaken and disappear. Synaptic pruning refers to <span>neurological regulatory processes. It facilitates a productive change in neural structure by reducing the overall number of neurons or connections.</span>
Answer:
Because then the city got very crowded and transporting food got difficult to do, so the railways and automobiles made it easy.
Explanation: