Original: History The British sent more than four expeditions to subdue the Black Mountain Tribes between 1852 to 1892 because Ata Mohammad Khan Swati , the Khan of Agror and Arsala Khan of Allai , and his sons intrigued against the British Government .
Simplified: History The British sent armies more than four times to try and control the Black Mountain Tribes from 1852 to 1892 , because some leaders of the tribes opposed the British Government .