The Atomic Bomb.
The Machine gun was the most effective weapon in world war one. It killed more than 7million people out of 8 1/2million. Used to protect trenches. It was effective enough that a counter measure had to be developed to overcome it. The tank. Even in WW2, Gen Patton stated that the primary weapon of a tank was it's machine gun, and not it's cannon.Was and still is.
A survey taken among soldiers and their commanding officers after World War I voted the machine gun the most effective/devastating weapon of that war. A similar study done after WW II named field artillery to this dubious honor.
a sword
The most widespread firearm is by far and away the AK-47, but the most widely used weapon? probably a simple knife/machete
the highly trained infantryman. any weapon in an untrained Soldiers hands are less effective
cheese
The most affective weapon is brushing and taking care of your teeth.
The U-Boat
The Atomic Bomb.
The most effective weapons against pneumonia are anitbiotics.
German, obviously.
antibiotics such as aureomycin will have the best effects on typhus.
Alfred Thayer Mahan
their most efective weops were sticks. they wold charge an army and beat the with sticks.
Komers machine gun
The most effective weapon against Bacillus anthracis is antibiotics, specifically ciprofloxacin, doxycycline, and penicillin. These antibiotics can effectively treat anthrax infections if administered early in the course of the disease.