Question: which organization was created after world war ii in an effort to ensure peace in the world
[{'answer': 'the United Nations', 'provenance': [{'wikipedia_id': '7062377', 'title': 'Aftermath of World War II', 'start_paragraph_id': 2, 'start_character': 48, 'end_paragraph_id': 2, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7062377', 'title': 'Aftermath of World War II', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 650, 'bleu_score': 0.9461462299376011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12134647394704629722}, 'section': 'Section::::Abstract.'}]}]