Politics in the British Isles converse of unionism, nationalism, is also an important factor for politics in the Isles. Nationalism can take the form of Welsh nationalism, Cornish nationalism, English nationalism, Irish nationalism, Scottish nationalism, Ulster nationalism or independence movements in the Isle of Man or Channel Islands. Identity is intertwined with politics, especially in the case of nationalism and independence movements. Details on identity formation in the British Isles can be found at Britishness, Scottish identity, Irish people. Pan-Celticism is also a movement which is present in several of the countries which have a Celtic heritage. There are no major political parties that are
Norse activity in the British Isles whilst at Orton Scar, Cumbria, a silver neck-ring and penannular brooch were uncovered. The historian Peter Hunter Blair believed that the success of the Viking raids and the "complete unpreparedness of Britain to meet such attacks" became major factors in the subsequent Norse invasions and colonisation of large parts of the British Isles. From 865 the Norse attitude towards the British Isles changed, as they began to see it as a place for potential colonisation rather than simply a place to raid. As a result of this, larger armies began arriving on Britain's shores, with the intention of conquering land