If the British decide to remainin EU, it will mean the end of UK empire.
Britain had survived the warII, but its wealth, prestige and authority had been severely reduced.
Britain hoped that a self-governing India would remain part of the imperial defence.
Britain was overshadowed by two new superpowers, the United States and Soviet Union.
British leaders had no doubt that Britain must uphold its status as the third great power
The 1956 Suez Crisis was a savage revelation of Britain's financial and military weakness.
Britain was finding it too costly to protect its remaining colonies.
Britain experienced a large inflow of migrants - a legacy of its imperial past.
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