Question: what problem did the land ordinance of 1785 solve
[{'answer': 'taxation', 'provenance': [{'wikipedia_id': '490484', 'title': 'Land Ordinance of 1785', 'start_paragraph_id': 1, 'start_character': 285, 'end_paragraph_id': 1, 'end_character': 293, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '490484', 'title': 'Land Ordinance of 1785', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 461, 'bleu_score': 0.9313525659032991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12827700947649948060}, 'section': 'Section::::Abstract.'}]}]