Question: what was the role of the states under the articles of confederation
[{'answer': 'independence and sovereignty', 'provenance': [{'wikipedia_id': '691', 'title': 'Articles of Confederation', 'start_paragraph_id': 1, 'start_character': 498, 'end_paragraph_id': 1, 'end_character': 526, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '691', 'title': 'Articles of Confederation', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 701, 'bleu_score': 0.9013859364994441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15521495602683156379}, 'section': 'Section::::Abstract.'}]}]