What did countries turn into new weapons in world war 1?

During World War I, countries transformed various technologies and resources into new weapons to enhance their military capabilities. Notable innovations included the use of tanks for ground warfare, poison gas as a method of chemical warfare, and aircraft for aerial combat and reconnaissance. Additionally, artillery was improved with heavier calibers and more accurate targeting systems, while submarines revolutionized naval warfare. These advancements marked a significant evolution in the nature of conflict, leading to unprecedented levels of destruction.