Question: who made up the majority of the work force during the gilded age
[{'answer': 'skilled workers', 'provenance': [{'wikipedia_id': '485133', 'title': 'Gilded Age', 'start_paragraph_id': 2, 'start_character': 158, 'end_paragraph_id': 2, 'end_character': 173, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '485133', 'title': 'Gilded Age', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 758, 'bleu_score': 0.9192758231432031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4019167750414173171}, 'section': 'Section::::Abstract.'}]}]