682a2a1e6d39b63db79f9013:

None → {'aqueducts': {'investing': 0, 'cost': 4, 'researched': False}, 'caravansaries': {'investing': 0, 'cost': 4, 'researched': False}, 'chests': {'investing': 0, 'cost': 3, 'researched': False}, 'citizenship': {'investing': 0, 'cost': 8, 'researched': False}, 'city_defense': {'investing': 0, 'cost': 6, 'researched': False}, 'cosmology': {'investing': 0, 'cost': 6, 'researched': False}, 'deep_hulls': {'investing': 0, 'cost': 7, 'researched': False}, 'dynastic_hunters': {'investing': 0, 'cost': 5, 'researched': False}, 'fermentation': {'investing': 0, 'cost': 5, 'researched': False}, 'frame_saddles': {'investing': 0, 'cost': 3, 'researched': False}, 'levers_and_pulleys': {'investing': 0, 'cost': 6, 'researched': False}, 'lumber_yards': {'investing': 0, 'cost': 5, 'researched': False}, 'metal_hooks': {'investing': 0, 'cost': 4, 'researched': False}, 'military_wages': {'investing': 0, 'cost': 6, 'researched': False}, 'mine_shafts': {'investing': 0, 'cost': 5, 'researched': False}, 'mints': {'investing': 0, 'cost': 4, 'researched': False}, 'mote_stabilization': {'investing': 0, 'cost': 7, 'researched': False}, 'national_identity': {'investing': 0, 'cost': 8, 'researched': False}, 'novitiates': {'investing': 0, 'cost': 7, 'researched': False}, 'official_courts': {'investing': 0, 'cost': 7, 'researched': False}, 'philosophy': {'investing': 0, 'cost': 8, 'researched': False}, 'pit_mining': {'investing': 0, 'cost': 5, 'researched': False}, 'political_philosophy': {'investing': 0, 'cost': 0, 'researched': True}, 'public_programs': {'investing': 0, 'cost': 4, 'researched': False}, 'public_zeal': {'investing': 0, 'cost': 6, 'researched': False}, 'ramparts': {'investing': 0, 'cost': 6, 'researched': False}, 'rig_and_sail': {'investing': 0, 'cost': 7, 'researched': False}, 'sewers': {'investing': 0, 'cost': 3, 'researched': False}, 'trade_records': {'investing': 0, 'cost': 3, 'researched': False}, 'war_engineers': {'investing': 0, 'cost': 7, 'researched': False}}