Corn accounted for the size and sophistication of the Native American civilizations in Mexico and South America by molding the Pueblo culture in terms of its technology and development. This includes the development of irrigation systems in order to water their corn fields.
I believe they were both harmed by nuclear radiation. Hiroshima was when the USA bombed Japan with a nuclear bomb. Chernobyl is the disaster in which a reactor caught fire and caused the harmful radiation to spread. I hope that was helpful. :)
Im not sure if youre looking for a state but if you are then that would be the Nebraska populist party