sentences:  Lucas died in October 1855 shortly after the failure of his mission, a month later Gavan Duffy emigrated to Australia.The League finally petered out in 1859, and the Independent Irish Party had disappeared by 1860.In 1870 Gladstone passed the Landlord and Tenant (Ireland) Act 1870, that was well-intentioned, but ineffectual from the onset of the "Long Depression" of agricultural prices.