tech

Some of the most recent and new U.S. techs still used today are aircraft carriers, amphibious landing vehicles,they also mass produced sub machine guns such as the MP40 or Thompson automatic, plastics and synthetic rubber, canned foods, and the Jeep.The biggest difference in weapons from WW1 as compared to WW2 was the use of tanks and aircraft and the technology. America had the greater advantage with new tech and the motivated U.S. troops.