Chandragupta Mayura first conquered the continent ( so by conquering could be an option), but then managed to introduce long-termn changes by reforms which lead to the modernization of the subcontinent, which is the right answer.
They use it as a defense because if they are being hunted by a predator, they will use a certain light pattern to alert any larger predators to get whatever is hunting them.
The right answer is Dr. Kwame Nkrumah.
More government control over production.
