 Complete the following phrase:  In 1757 AD Abdali reached Delhi and ordered his forces to unleash carnage. For more than a month, afghans went from home to home, taking whatever wealth people had, even if it was buried in the ground, and raping women. Sikh militias attacked Abdalis forces on their way back to Afghanistan, and free some of the Hindu or Sikh women that were taken as sex-slaves. Abdali invaded Delhi in 1759 AD again, looted the city, expelled its Shia population, forcibly married the 16-year-old beauty Princess Hazrat Begum. Alamgir-II was murdered and his son Shah Alam-II exiled to Awadh and the Rohilla Najib-ud Dawla and Imad-ul Mulk were appointed as chief executives. Marathas tried to liberate Delhi and the Emperor, but were defeated by the united Shia-Sunni force in 1761 AD in the historic 