The effect of the policies developed by Margaret Thatcher were perhaps felt hardest in the coalfields of northern Britain.
When she came to power in 1979 there were still nearly 300,000 miners. Margaret Thatcher had seen the power of their union humble Edward Heath, the previous Conservative prime minister.
But cutting jobs left mining communities with a bitterness towards Lady Thatcher that endures to this day.
Geraint Vincent reports from Orgreave, South Yorkshire, where one of the most bitter battles took place: