The major objective of Ghori to attack India was to expand his empire and satisfy his imperialistic ambitions. The expansion of Islam and his ambition to glorify his name through his military exploits could be said to be his secondary aims. Similarly, loot and plunder may also be secondary aims because that was norm in those days to acquire Gold and wealth from defeated rulers.
Tall minarets were the significant and one of the earliest features of Islamic architecture. A double dome is built of two layers. One layer inside which provides ceiling to the interior of the building and the other layer is the outer one which crowns the buildings. The method of making double dome was practised in East Asia for quite some time before it was imported into India. A cenotaph is an empty tomb or a monument erected in honour of a person or group of people whose remains are elsewhere.
Barani was a contemporary of Muhammad bin Tughlaq and Firuz Shah Tughlaq both. He wrote a number of renowned texts, such as the Fatwa-i-Jahandari, which elaborates on the principles to be followed by Muslim rulers to attain merit.