Which of the following best explains a likely effect of Brazil's population distribution? A: More uniform economic growth throughout the entire country as urban areas expand westward

B: Increased cultural unity as more people live in close proximity to one another in eastern Brazil

C: Uneven economic development as eastern Brazil experiences more growth than the sparsely inhabited western regions

D: The expansion of available farmland as people move to the cities, allowing more rural land to be farmed

E: More efficient political administration and improved governance as the population becomes more clustered