Question: what was the major purpose of the progressive movement
[{'answer': 'social activism and political reform', 'provenance': [{'wikipedia_id': '560252', 'title': 'Progressive Era', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '560252', 'title': 'Progressive Era', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 300, 'bleu_score': 0.83534205893858, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17553516141861472877}, 'section': 'Section::::Abstract.'}]}]