Why were new technologies and weapons used in World War 1?

New technologies and weapons were introduced in World War I to gain a strategic advantage and address the challenges of trench warfare, which characterized the conflict. Innovations such as machine guns, tanks, and poison gas were developed to increase firepower and mobility, aiming to break the stalemate on the Western Front. Additionally, advancements in communication and transportation, like airplanes and radio, enhanced coordination and logistics. These new technologies significantly changed the nature of warfare, leading to higher casualties and altering military tactics.