Answer:
New weaponry had been developed through advancements in techonolgy such as machine guns, tanks, armored vehicles, etc. Transportation had been developed by the use of steam ships that were made out of steel and armored aswell. Trains had been improved with speed and equipped with small canons or machine guns. Zeppelins were blimps that had transported people across seas but were also used to bomb enemy positions and used for intimidation. Planes had only developed to be used as reconissance until automated machine guns had been equipped with it. For Communication the telegraph was being perfected and used for instant messaging among different areas. Industrialization had allowed for massive production of guns, ammunition, warships, supplies, etc.
Technology: automatic guns, powerful grenades, tanks, steel warships, armored trains, zeppelins, bomber planes, etc.
Transportation: Ships to carry supplies across seas, trains used to carry supplies aswell, Planes were mainly used for reconaissance.
Communication: Telegrams allowed for instant communication among strategic positions.
Industrialization: Allowed for great amounts of weaponry and munitions to be produced in factories.