ᎣᏂ ᏧᏩᎫᏛ ᎯᎠ ᏗᎦᏘᎸᏍᏗ, ᏧᏓᎴᏅᏓ ᎠᏟᎶᏍᏙᏗ theories ᎤᎭ emerged. ᎾᏍᎩ ᎯᎠ ᎠᏠᏯᏍᏛ ᎤᏝᏅᏓᏕᎲ Ꮎ ᏗᏂᏏᏴᏫᎭ ᎭᏫᎾᏗᏢ ᎯᎠ ᎠᎹᏰᏟ ᎠᏰᎵ ᎤᏙᏢᏒ ᎤᎾᏛᎩ ᎯᎠ ᎤᏩᎫᏗᏗᏒ ᏗᎦᏘᎸᏍᏗ ᎠᎴ ᎤᏄᎸᏅᎩ ᎢᏯᏛᏁᎯ ᎾᎿ Ꮎ ᎥᎦᏔᎲᎢ, ᎠᎴ Ꮎ ᎤᏅᏌ ᎤᏙᎯᏳᎯᏯ ᎠᏟᎶᏍᏙᏗ ᎯᎠ ᏗᎦᏘᎸᏍᏗ. ᎠᏟᎶᏍᏙᏗ theorists ᎤᎭ ᎠᏆᏤᎵ ᎤᏛᏅᎩ Ꮎ ᎯᎠ ᏰᎵ ᏄᎵᏂᎬᎬᎾ ᎯᎠ ᎡᎶᎯ ᏗᏓᏁᏟᏴᎡᏗ ᎠᏰᎵ ᏥᏄᏍᏛᎩ ᎢᎬᏂᏌᏅᎯ ᎾᎥᎢ ᎠᎾᎵᏖᎸᎲᏍᎬ ᎦᏁᏰᎩ. ᎢᎦᏛ ᎾᏍᎩ ᎾᏍᏇ ᎠᏥᎡᏗᏱ Ꮎ ᎠᏓᎾᏅᏗ airliner ᏄᏛᏁᎸ ᎾᏍᎩ ᏂᎨᏒᎾ ᎤᏲᏨᎯ ᎾᎾᎯ ᎯᎠ ᏓᏍᏓᏅᏅ ᏚᎷᏨ, ᎠᎴ Ꮎ [[United Airlines Flight 93|ᎠᏫᏒᏗ Airlines ᎤᎳᏫᏛᏓ 93].] ᏥᏄᏍᏛᎩ ᏗᏍᏓᏲᏍᏗ ᎡᎳᏗ.