Gunpowder: A mixture of sulfur, charcoal, and potassium nitrate. It burns rapidly to create a large volume of hot gas, which is used in firearms to propel projectiles.
Muskets: An infantry weapon introduced in early 16th century. It's a type of firearm that was used extensively during the American Revolutionary War.
Artillery: Large-caliber guns used in warfare on land. They are among the most powerful types of firearms.