Before AD 1150, the language spoken in Britain was the Old English. One important text from that period is "Beowulf", a long epic poem. Then, with the Noman Conquest, the transition from Old English to Middle English began. The mixture of Old English and Anglo-Norman resulted in Middle English. By AD 1500's, a radical change happend, resulting in the Modern English.
The answer on e2020 is C. economic insecurity for people who could no longer work
C is the answer