Question: in the civil war who had more soldiers
[{'answer': 'Union Army', 'provenance': [{'wikipedia_id': '863', 'title': 'American Civil War', 'start_paragraph_id': 63, 'start_character': 681, 'end_paragraph_id': 63, 'end_character': 691, 'bleu_score': 1.0, 'section': 'Section::::General features of the War.:Mobilization.\n'}]}]