The proximity of the Palace of Westminster did not extend to providing monks or abbots with high royal connections; in social origin the Benedictines of Westminster were as modest as most of the order. The abbot remained Lord of the Manor of Westminster as a town of two to three thousand persons grew around it: as a consumer and employer on a grand scale the monastery helped fuel the town economy, and relations with the town remained unusually cordial, but no enfranchising charter was issued during the Middle Ages. The abbey built <answer>shops and dwellings</answer> on the west side, encroaching upon the sanctuary.[citation needed]
What did the abbey build on the west side?
shops and dwellings