Question: mobilization of an army was considered what in 1914
[{'answer': 'act of war', 'provenance': [{'wikipedia_id': '451461', 'title': 'Mobilization', 'start_paragraph_id': 12, 'start_character': 304, 'end_paragraph_id': 12, 'end_character': 314, 'bleu_score': 1.0, 'section': 'Section::::Mobilization in World War I.\n'}]}, {'provenance': [{'wikipedia_id': '451461', 'title': 'Mobilization', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 347, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6915546136965308373}, 'section': 'Section::::Mobilization in World War I.\n'}]}]