Key term for OCR GCSE History B, used in England on the eve of the conquest.
The threefold tax owed by all landowners: providing men for the fyrd, maintaining fortresses, and repairing bridges.
Trinoda Necessitas appears in OCR GCSE History B revision content for The Norman Conquest (1065–1087), especially England on the eve of the conquest and Society.
Create a free account to access OCR GCSE History B revision notes, track progress, and practise related key terms.
