Complex sentence: Both schools were terminated in 1809 or 1810 after Blackburn's reputation was damaged when some Creeks accused Blackburn, his brother Samuel, and the Cherokee chiefs John McIntosh and The Ridge of scheming to illegally ship whiskey through Creek territory.
Split into simpler sentences: Both schools were terminated in 1809 or 1810 after Blackburn's reputation was damaged. Some Creeks accused Blackburn, his brother Samuel, and the Cherokee chiefs John McIntosh and The Ridge of scheming to ship whiskey illegally through Creek territory.