You don't even have to use a hypothetical scenario. You just described the Indian state of Jharkhand in "A". Extremely rich in natural resources, as underdevelo

You don't even have to use a hypothetical scenario. You just described the Indian state of Jharkhand in "A". Extremely rich in natural resources, as underdeveloped and exploited as it is humanely and inhumanely possible overall (yes, there are small pockets like Tata Nagar but that's about it).