Key term for OCR GCSE History B, used in Britain since c.1900.
A group of people suspected of working secretly for the enemy to undermine a nation's defences from within.
Fifth column appears in OCR GCSE History B revision content for Migrants to Britain (c.1250–Present), especially Britain since c.1900 and ‘Aliens’ and refugees.
Create a free account to access OCR GCSE History B revision notes, track progress, and practise related key terms.