which of the follwing statement is true About muhammad ghori ?
1 .The Ghurid dynasty started as vassals of Ghazni but became independent after the death of Ghazni. The Ghurid Empire was based in Ghur in northwest Afghanistan.
2.The power of Ghurids increased under Sultan Alauddin who earned the title of ‘the world burner” (Jahan soz) because during the middle of the 12th century he ravaged Ghazni and burnt it to the ground to avenge the treatment meted out to his brothers at Ghazni.
3.In c. 1173 CE, Shahabuddin Muhammad (also known as Muiz-ud-din Muhammad bin Sam), particularly known as Muhammad Ghori ascended the throne at Ghazni while his elder brother ruled at Ghur.