World War II marked by 50 to 85 million fatalities, most of whom were civilians in the Soviet Union and China. It included massacres, the genocide of the Holocaust, strategic bombing, premeditated death from starvation and disease, and the only use of nuclear weapons in war. Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937, though neither side had declared war on the other. World War II is generally said to have begun on 1 September 1939, with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom. From
Scuba diving fatalities diver error. This is consistent with several scientific studies. Medical issues are a significant part of the problem, and certified divers are responsible for assessing their own fitness and ability to do any particular dive. Experience was also cited as a significant factor, with occasional divers at higher risk than regular divers, and the majority of fatalities had only entry level or slightly higher qualification ("Advanced open-water diver" certification is included in this grouping). Diving fatality investigations are intended to find the cause of death by identifying causative factors. Three main areas of investigation are common: Lack of solid information