The Second Wave of Muslim Invasions
•Later campaigns extended it along the plains of the Ganges to Bengal.
•A lieutenant to Muhammad, Qutb-ud-Din Aibak, later formed a new state, with its capital at Delhi on the Ganges plain.
•The succeeding dynasties, the sultans of Delhi, were military states.
•Their authority was limited by factional strife and dependence upon Hindu subordinates.
•They ruled much of north-central India for the next 300 years.