Radar, jets, rockets, Atom Bomb, Penicillin
The first use of gas in a war was used in world war one.
machine guns
well, the microwave was invented, the radio, and new guns
There were lots of new technologies used in World War I. Tanks, airplanes, modern machine guns, poison gas, telephones and radios are a few examples.
The horse-drawn chariot .
Of course (while not entirely new) the proliferation of the machine gun forced the type of warfare that ensued.
Machine guns, trucks, planes, mortars, and telegrams. These are the first five that come to mind.
Yes, World War II did involve trench warfare, but it was not as prevalent as it was in World War I. Trenches were still used in some battles, but the war also saw the use of new tactics and technologies that reduced the reliance on trench warfare.
the jeep and the bouncing bomb and radar was developed (your welcome)
New technologies were made. There were new weapons such as Tanks, Cannons, Submarines, Chemical Gas, and Military Airplanes.
They allowed Germany to take France easily
New technologies were made. There were new weapons such as Tanks, Cannons, Submarines, Chemical Gas, and Military Airplanes.