Because Americans fought Americans. Also, they had new and improved weapons but still used some of the same fighting tactics.
some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
Underground mines were blown up planes tanks lewis gun and heaps more search on google.com: ww1 new inventions
long bow
the tank, the flamethrower, and they "upgraded" the hand grenades. they also introduced the atomic bombs (hiroshimaa and nagasaki)
Chlorine gas by Germans
to kill off people that they were fighting against....
Because Americans fought Americans. Also, they had new and improved weapons but still used some of the same fighting tactics.
I don't know u tell me
some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
Because they needed new weapons to improve their fighting against the opposing country.
New Stone age people used sharp rocks as weapons. However, they also made their own handmade weapons made of twigs and branches and used those as clubs.
Underground mines were blown up planes tanks lewis gun and heaps more search on google.com: ww1 new inventions
M16
long bow
The machine gun, the submarine, new warship designs.
the tank, the flamethrower, and they "upgraded" the hand grenades. they also introduced the atomic bombs (hiroshimaa and nagasaki)