They were confident and believed the war would end quickly.
A U+V mixed together with steepness
For exampe look above.
Here are some of the weapons first used in WWI. Airplanes, Derigables, poison gas, flamethrower, and tanks. Other weapons that were invented before the war but not used on a wide scale or were not reliable until WWI were the machine gun, submarines, torpedoes, small mortars and very large caliber artillery. WWI also saw the use of the radio for the first time in combat conditions.
I think its D or B sorry i don't now which one
