Question: During what was did William W. Morris serve in charge of the place that would go on to become a designated National Park in 1925, and a "National Monument and Historic Shrine" in 1939?
{'answer': 'American Civil War', 'supporting_facts': [['William W. Morris', 0], ['William W. Morris', 1], ['William W. Morris', 2], ['William W. Morris', 3], ['Fort McHenry', 0], ['Fort McHenry', 1], ['Fort McHenry', 2]]}