Complex sentence: Joymoti had known that her husband was the only person who could end Sulikphaa-Laluk's reign of terror, and for her love and supreme sacrifice for her husband and the country, folk accounts refer to her as a "Soti".
Split into simpler sentences: Joymoti had known that her husband alone was capable of ending Sulikphaa-Laluk's reign of terror. For her love and supreme sacrifice for her husband and her country, folk accounts refer to her as a "Soti".