Ratcliffe was elected as a councillor to Glasgow City Council in 1931 for Dennistoun and the League won another seat in Dalmarnock by an ex-communist, Charles Forrester. The third seat it contested failed to unseat the Moderate but it did come second, pushing Labour into third place. In these three seats the League gained 12,579 votes. In 1932 the League stood in eleven wards and gained one more seat and 12% of the total vote. In 1933 the League saw its greatest success when it stood in twenty-three wards and gained over 71,000 votes. Again the League did best in seats with the highest turn outs. In the same year Ratcliffe joined the Scottish Fascist Democratic Party for a brief period, but left when the party softened its line on anti-Catholicism. Following a visit to Nazi Germany in 1939 Ratcliffe became a fully fledged convert to fascism.
Party platform
The main policy of the League was to campaign for the repeal of the Education Act 1918 and specifically Section 18 of that Act which allowed Catholic schools into the state system funded through education rates, which led to the slogan: "No Rome on the Rates!" The League wished to stop Irish immigration to Britain, repatriate Irish immigrants already settled and deport Irish immigrants on welfare. The League also opposed cuts in teacher's pay, campaigned for lower wages for top council workers, and was in favour of building more council housing and for reduced rents and rates. Ratcliffe also voiced support for Scottish Home Rule, writing in the party organ Vanguard that "if Home Rule works in Ulster, why cannot it work in Scotland?" Ratcliffe argued that Home Rule would not undermine protestant interests in Scotland, and declared himself willing to support it in principle.
The Scottish Protestant League inspired the formation of the Ulster Protestant League in Northern Ireland, after Radcliffe embarked on a speaking tour of Northern Ireland in March and April 1931. Relations between the SPL and UPL were therefore extremely close to begin with, however they soured after an incident on the afternoon of 2 May 1933, when SPL members Mary Radcliffe and Charles Forrester attacked and damaged a painting when being given a tour of the Northern Irish Parliament by John William Nixon. The painting depicted Pope Innocent XI celebrating King William's victory at the Battle of the Boyne, which although accurate, was deemed blasphemous by the SPL members. Forrester threw red paint over Innocent XI, whilst Radcliffe slashed it with a knife. Both were arrested, before being fined £65. The painting had caused discord in the Northern Irish Parliament when first unveiled, due to the realisation that it featured the Pope, with Nixon raising the issue in the Northern Irish Parliament.
Decline
However from 1934 the League declined. Protestant churches opposed it and internal splits hampered it. The majority, including Ratcliffe, voted with Labour on the council, with two voting with the Moderates. After disagreements with Ratcliffe's control of the League, four councillors left and designated themselves independent Protestants. Lord Scone, the League's honorary President resigned from the group in 1934. In the 1934 election for Glasgow corporation the League only put up seven candidates and none were elected, although they did gain a considerable number of votes. In 1937, Ratcliffe failed to be elected for Camphill. Although there are reports that the League was virtually defunct by the late 1930s its Vanguard newspaper was still running as late as 1939 and reporting that "Hitler and the Pope are a pair...much in common...plotting together with Mussolini, also in the plot, to smash Protestantism throughout Europe", and as late as March 1945 a leaflet advertising Vanguard was being sent to politicians. Ratcliffe himself remained active during the Second World War; complaints were raised in Parliament in 1943 about an antisemitic pamphlet he had published, though no action was taken against him. He died in Glasgow in 1947.
