World War I: a war(1939-1945)whose European operations took place between the Axis powers( germany Italy and Japan) and the Allies(Britain, France, and later the USsr and the USa). China and many other countries were also involved in the war, fighting against the aggression of Japan in Asia The War in Europe started when germany under Adolf Hitler and the nazis. invaded and took control of some European countries and the allies wanted to prevent German power growing in this way. Britain declared war on germany in September 1939 when German troops entered poland. and soon afterwards winston churchill who in Britain is closely associated with the Allies victory in the war, because the British prime minister• World War II: a war (1939-1945) whose European operations took place between the Axis powers (Germany, Italy and Japan) and the Allies (Britain, France, and later the USSR and the USA). China and many other countries were also involved in the war, fighting against the aggression of Japan in Asia. • The War in Europe started when Germany, under Adolf Hitler and the Nazis, invaded and took control of some European countries and the Allies wanted to prevent German power growing in this way. Britain declared war on Germany in September 1939 when German troops entered Poland, and soon afterwards Winston Churchill, who in Britain is closely associated with the Allies’ victory in the war, because the British prime minister