Complex sentence: In October the 42nd went to British North America, having been reduced to one battalion, and in 1764 Reid was second in command in Bouquet's expedition against the western and Ohio Indians, which followed on Pontiac's Rebellion.
Split into simpler sentences: In October the 42nd went to British North America, having been reduced to one battalion. In 1764 Reid was second in command in Bouquet's expedition against the western and Ohio Indians, which followed on Pontiac's Rebellion.