Share This Article 1. The hand mortar of 17th and 18th Century Europe is a primitive version of this modern weapon. Grenade launcher Multi-barrel rifle Rocket launcher Thigh mortar 2. In 1967 the US Embassy in South Vietnam reported this many Viet Cong assassinations in that year. 500 900 1,800 2,700 3. These two states were admitted to the Union in 1912. Colorado and Montana New Mexico and Arizona Utah and Nevada Wyoming and Idaho Loading …