Question: what group had the most power under the articles of confederation
[{'answer': 'central government', 'provenance': [{'wikipedia_id': '691', 'title': 'Articles of Confederation', 'start_paragraph_id': 1, 'start_character': 551, 'end_paragraph_id': 1, 'end_character': 569, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '691', 'title': 'Articles of Confederation', 'start_paragraph_id': 144, 'start_character': 0, 'end_paragraph_id': 144, 'end_character': 1100, 'bleu_score': 0.9883376938421391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11066735168511775796}, 'section': 'Section::::Revision and replacement.\n'}]}]