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From the Parliamentary Collections
By the 1930s, government interest in Lords reform had dwindled.
Labour politicians such as Sir Stafford Cripps, favoured complete abolition, believing that the Upper House would use its in-built Conservative majority to block socialist legislation.
But between 1945 and 1951, when Labour was in office under Clement Attlee, the Lords did not obstruct the party's far-reaching programme of welfare reform and nationalisation.
This was made possible largely through a working agreement between the Conservative and Labour leaders in the Upper House (Viscount Cranborne, later 5th Marquess of Salisbury and Viscount Addison), which became known as the ‘Salisbury-Addison Doctrine’. It acknowledged that the Lords should not oppose measures which had formed the basis on which a political party was returned to power.
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