This is not merely a hypothetical but a reality.
Take Rwanda.
Rwanda was drawn without an understanding of the ethnic make up.
And, in effect, a minority population was given control over a majority population.
This is problematic as it creates tensions that should not exist.
Answer: Easy
Explanation: The three colonial regions were known as the New England Colonies, the Middle Colonies and the Southern Colonies. Together, these regions encompassed all 13 colonies. The New England Colonies included New Hampshire, Massachusetts, Connecticut and Rhode Island.
Because they wanted to separate from England and wanted to become an independent nation.