What new technologies were invented during World War ? (1 point ) 1. airplanes and reconnaissance 2. tanks, poison gas, ambulance 3. observational balloons and zeppelins 4. automobiles and submarines
The correct answer is:
1. Airplanes and reconnaissance aircraft were invented during World War I. The war saw significant advancements in aerial technology and the use of airplanes for reconnaissance purposes.
2. Tanks were also invented during World War I. These armored vehicles were used for the first time in battle and played a crucial role in breaking through enemy lines.
3. Poison gas, such as chlorine and mustard gas, was developed and used as a weapon during World War I. The use of gas caused significant casualties and had a profound impact on the way warfare was conducted.
4. Observational balloons and zeppelins were used for reconnaissance purposes during World War I. These lighter-than-air aircraft provided valuable aerial observation and surveillance capabilities.
However, automobiles and submarines were not invented during World War I but had already been developed prior to the war. Nonetheless, their use and technological advancements continued to evolve during the conflict.