Why did the british decide to end the war when they did

If you are talking about the Revolutionary war, the british decided to end the war when they did because it was costly to transport troops, equipment, and surplus half way across the world, and they were literally losing the war

hope this helps

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths