as compared to central Africa, southern and northern costal regions are more developed?give any 4 reason​

How would i answer this for an exam?

India's population is made up of percent hindus.

Why did the united states lead a coalition to invade iraq in 1991? o a. there was a fundamentalist revolution in iraq. o b. iraq had invaded iran. o c. an oil embargo had started in the middle east, o d. iraq had invaded kuwait.