Answer:
The establishment and control of the Soviet satellite states
Between 1945 and 1949 Stalin created a Russian empire in Eastern Europe. This empire included Poland, Hungary, Romania, Bulgaria, Czechoslovakia and East Germany. Each had a Communist government.
Defense probably but if rapidly expanding maybe offensive.
Astronomy mathematics medicine and physics
Through the 1920s, Britain's economy was already struggling to pay for the effects of World War I. Then, in 1929, the US stock market crashed. ... The value of British exports halved, plunging its industrial areas into poverty: by the end of 1930, unemployment more than doubled to 20 per cent.
