a large proportion of Highland estates were sold in the first half of the 19th century. T M Devine points out that in the region most affected by the potato famine, by 1846, 70 per cent of the landowners were new purchasers who had not owned Highland property before 1800. More landlords were obliged to sell due to the cost of famine relief. Those who were protected from the worst of the crisis were those with extensive rental income from sheep farms. Government loans were made available for drainage works, road building and other improvements and many crofters became temporary migrants – taking work in the Lowlands. When the potato famine ceased in 1856, this established a pattern of more extensive working away from the Highlands. The unequal concentration of land ownership remained an emotional and controversial subject, of enormous importance to the Highland economy, and eventually became a cornerstone of liberal radicalism. The poor crofters were politically powerless, and many of them turned to religion. They embraced the popularly oriented, fervently evangelical Presbyterian revival after 1800. Most joined the breakaway "Free Church" after 1843. This evangelical movement was led by lay preachers who themselves came from the lower strata, and whose preaching was implicitly critical of the established order. The religious change energised the crofters and separated them from the landlords; it helped prepare them for their successful and violent challenge to the landlords in the 1880s through the Highland Land League. Violence erupted, starting on the Isle of Skye, when Highland landlords cleared their lands for sheep and deer parks. It was quietened when the government stepped in, passing the Crofters' Holdings (Scotland) Act, 1886 to reduce rents, guarantee fixity of tenure, and break up large estates to provide crofts for the homeless. This contrasted with the Irish Land War underway at the same time, where the Irish were intensely politicised through roots in Irish nationalism, while political dimensions were limited. In 1885 three Independent Crofter candidates were elected to Parliament, which listened to their pleas. The results included explicit security for the Scottish smallholders in the "crofting counties"; the legal right to bequeath tenancies to descendants; and the creation of a Crofting Commission. The Crofters as a political movement faded away by 1892, and the Liberal Party gained their votes. Whisky production Today, the Highlands are the largest of Scotland's whisky producing regions; the relevant area runs