Question: where did the 40 hour work week come from
[{'answer': 'the Industrial Revolution in Britain', 'provenance': [{'wikipedia_id': '2100109', 'title': 'Eight-hour day', 'start_paragraph_id': 1, 'start_character': 210, 'end_paragraph_id': 1, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2100109', 'title': 'Eight-hour day', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 453, 'bleu_score': 0.8471170982956461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18099821965221043135}, 'section': 'Section::::Abstract.'}]}]