C. Because Literal means the exact thing, meaning that they are trying to describe it as best as the can to the literal way
Portugal was the first independent nation
Nehru prioritized democracy and industries as his pillars of economic development. many independent countries at the time prioritized the difference, which is agriculture and stability over the ideals of democracy. within a few years of his reign, India had risen to become the world largest democracy and one of the fast developing economies.
I am going to go ahead and say that your answer is C because regions can end for many reasons and most of which I'm certain of which are affected by the physical characteristics of the region.
I hope that this helps. :)