1 Study the sources (Insert) carefully and then answer the questions which follow. (a) According to Source A, what problems were caused by Cyclone Bhola in 1970?  (b) What does Source B tell us about the outcome of the conflict between East Pakistan and West Pakistan?  (c) Why did the victory of the Awami League in the 1970 elections in Pakistan cause a constitutional crisis?  (d) How successful have relations between Pakistan and Bangladesh been from 1971 to 1999? Explain your answer.