4 Read the source below carefully to answer question (a). In December 1971, Zulfikar Ali Bhutto became President with an overwhelming majority in the National Assembly. However, India had just defeated Pakistan and East Pakistan had gained independence, so the morale of Pakistan was low. One highlight, however, came in the Simla Agreement. (a) Describe the Simla Agreement.  (b) Why was Pakistan faced with a refugee problem in 1947?  (c) Who of the following contributed the most to Pakistan’s domestic policies between 1948 and 1958: (i) Liaquat Ali Khan; (ii) Malik Ghulam Muhammad; (iii) Iskander Mirza? Explain your answer with reference to all three of the above.