Arkansas, Missouri, Iowa, Oklahoma, Kansas and Nebraska. I am pretty sure those are them. Sorry if i'm wrong
In the Declaration of Independence the argument for freedom from British rule is based primarily on the social contract theory of the government that was developed by John Locke. According to this theory, the people had the right to select a new government because the existing government was not serving the people.
Africa abviously.,...................
Wanna say by creating sink holes but Producing household waste could also cause it but I would go with the sink hole option