Question: what event allowed the british to send more troops to fight against the united states
[{'answer': 'Chesapeake -- Leopard Affair'}, {'provenance': [{'wikipedia_id': '34059', 'title': 'War of 1812', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 870, 'bleu_score': 0.569773442559098, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11829931969102692263}, 'section': 'Section::::Abstract.'}]}]