The 2nd world war began after Germany had lost WW1 and they voted for a new prime minister called Adolf Hitler who invaded countries like Poland.
The allies where people that believed that Britain was right such as France and USA and the axis where with Germany like Italy and Japan
At 4:56pm on 7 September 1940, the air raid sirens wailed as the German Air Force, the luftwaffe, launched a massive raid on London. Over 350 bombers flew across the Channel from airfields in France and dropped 300 tonnes of bombs on the docks and streets of the East End of London.
Evacuation means leaving a place. During the Second World War, many children living in big cities and towns were moved temporarily from their homes to places considered safer, usually out in the countryside.