The benevolent period of Salutary Neglect all changed after the French and Indian War (aka Seven Years War 1755-1763) Although the French and Indian War was a victory for the British they were left with a massive war debt. To pay the war debt the British ended their policy of Salutary Neglect in the colonies.
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.
The United States gained control of Texas after armed conflict with the forces of "<span>B. Antonio López de Santa Anna," since this was during a major territorial conflict with Mexico. </span>