Complex sentence: The French and Canadians often made use of guns placed on the walls of the fort, although for the Battle of Carillon, because the fighting took place 3/4 of a mile from the fort, it was essentially a battle of musket and bayonet.
Split into simpler sentences: The French and Canadians often made use of guns placed on the walls of the fort. However, at the battle of Carillon, because the fighting took place 3/4 of a mile from the fort, it was essentially a battle of musket and bayonet.