 Rocket artillery and the Mysorean rockets, both pioneered by Indian Muslim Tipu Sultan, became more powerful as new high explosives (based on nitroglycerin) arrived during the Anglo-Mysore Wars, and the French introduced much more accurate rapid-fire field artillery.Logistics and communications support for land warfare dramatically improved with use of railways and telegraphs.Industrialization provided a base of factories that could be converted to produce munitions, as well as uniforms, tents, wagons and essential supplies.