USA HISTORY

Detailed explanation-1: -Military technology of the time included important innovations in machine guns, grenades, and artillery, along with essentially new weapons such as submarines, poison gas, warplanes and tanks.

Detailed explanation-2: -The AK-47 is the deadliest weapon ever built, on the whole. Its kill count even tops nuclear weapons in sheer numbers. But the first AK-47s were very heavy and weren’t really built for aiming.

Detailed explanation-3: -The Soviets were impressed with the weapon and immediately set about developing an intermediate caliber fully automatic rifle of their own, to replace the PPSh-41 submachine guns and outdated Mosin–Nagant bolt-action rifles that armed most of the Soviet Army.

Detailed explanation-4: -AK-47, also called Kalashnikov Model 1947, Soviet assault rifle, possibly the most widely used shoulder weapon in the world. The initials AK represent Avtomat Kalashnikova, Russian for “automatic Kalashnikov, ” for its designer, Mikhail Timofeyevich Kalashnikov, who designed the accepted version of the weapon in 1947.