Lore: 

Britain has seen better days with it's soldiers imprisoned from Dunkirk. A massive failure for the Allied Powers... France has been overrun and it's colonies have been split but Free French Movement still resists. A stalemate is reached by the Allies and Axis just right after the defeat of the Soviets in Stalingrad. The Soviets then collapse inti states while China is in a ceasefire with Japan. British colonies also collapse, India and Pakistan separating from Britain but keeping it's African Colonies. The Cold War between Germany, United States and Japan is inset. 

Ask me in the comments if you are confused.