1 Read the source below carefully to answer question (a). The Mughal Empire took 150 years from the death of Aurangzeb in 1707 to break up. His empire was facing difficulties at the time of his death and following this, the tensions and problems only became worse. The most serious challenge to Mughal authority came from the Marathas. (a) Describe what the Marathas did.  (b) Why have regional languages been promoted by the Pakistan government since 1947?  (c) Who of the following was the most important in the spread of Islam during the seventeenth and eighteenth centuries: (i) Shah Wali Ullah; (ii) Syed Ahmad Shaheed Barailvi; (iii) Hajji Shariat Ullah? Explain your answer with reference to all three of the above.