Original sentence: His stand both for the future of the mining industry and the communities dependent on it and against the policies of the Thatcher Government led to his leadership of the 1984-1985 miners' strike.The strike is now widely seen as the high water mark of both Scargill and radical left wing unionism in Britain
Edited sentence: Hindsight demonstrates that the strike was the high water mark of both Scargill and radical left wing unionism in Britain.His principled stand both for the future of the mining industry and the communities dependent on it and against the policies of the far right Thatcher Government led to his leadership of the 1984-1985 miners' strike