Portales is a city in and the county seat of Roosevelt County, New Mexico, United States. The population was 12,280 at the 2010 census. Portales is located near the larger city of Clovis as well as Cannon Air Force Base, a major contributor to the economy of the region. Eastern New Mexico University opened in Portales in 1934 and has grown to become the third largest university in the state.
Overview. DDT was widely used during the Second World War to protect the troops and civilians from the spread of malaria, typhus and other vector borne diseases. After the war, DDT was widely used on a variety of agricultural crops and for the control of disease vectors as well.
Major advances in weaponry, communications, and industry by both sides impacted the way the war was fought and, eventually, the outcome in the war. On the Ground. Tanks-Although tanks were first used in World War I, it was during World War II that tanks became a major military force.Hitler utilized tanks in his fast moving Panzer divisions. They enabled him to quickly take over much of Europe using a tactic called Blitzkrieg, meaning lightning war..t used radio waves to detect enemy aircraft. The British were the first to employ radar and it helped them to fight off the Germans in the Battle of Britain. In the Ocean. Aircraft Carrier-One of the biggest changes in naval technology in World War II was the use of the aircraft carrier.