* Machine guns: Machine guns were first used in the Boer War, but they became much more common during World War I. They could fire hundreds of rounds per minute, making them devastatingly effective against infantry charges.
* Artillery: Artillery was used extensively during World War I. It could be used to bombard enemy positions from a safe distance, and it was particularly effective against trenches.
* Tanks: Tanks were first used by the British in 1916. They were slow and unreliable, but they could cross trenches and other obstacles that would have stopped infantry.
* Airplanes: Airplanes were used for reconnaissance, bombing, and strafing. They could also be used to drop supplies to troops behind enemy lines.
* Chemical weapons: Chemical weapons, such as chlorine gas and mustard gas, were used by both sides during World War I. They caused horrific injuries and death, and they had a devastating psychological effect on soldiers.
These new technologies changed the nature of warfare in several ways. They made it more deadly, more destructive, and more mobile. They also made it more difficult for soldiers to survive on the battlefield.
Other technological developments that played a role in World War I included:
* Railways: Railways were essential for transporting troops, supplies, and equipment to the front lines.
* Telegraphs: Telegraphs allowed for rapid communication between different parts of the battlefield.
* Radios: Radios allowed for communication between airplanes and ground troops.
* Automobiles: Automobiles were used to transport troops and supplies, and they also played a role in the development of tanks.
* Medical technology: Medical technology advances, such as the development of X-rays and blood transfusions, helped to save the lives of many wounded soldiers.
These technological developments all contributed to the Allied victory in World War I.