Final answer:
The Conestoga Wagon was not a new technology during WWI, unlike the other options of Machine Gun, Tank, and Airplane.
Step-by-step explanation:
The Conestoga Wagon was not a new technology slightly prior to or during WWI. The other options - Machine Gun, Tank, and Airplane - were all new technologies that were significant in the war. The Machine Gun, for example, played a major role in trench warfare, while Tanks were used for the first time during WWI. Airplanes were also important for reconnaissance and aerial combat.
Learn more about New technologies during WWI