Why is Sheikh Hasina regarded as a great political leader in Bangladesh?

On August 15th, 1975 Sheikh Mujibur Rehman, the founder of independent Bangladesh, and his family were assassinated by military officers. Sheikh Hasina, the daughter of Mujibur Rehman escaped, as she was in West Germany at the time. Sheikh Hasina was elected leader of the Awami League in 1981, while in exile. She was elected as the leader of the opposition in 1986 and 1991. Sheikh Hasina won the 1996 parliamentary election, and took oath as the Prime Minister of Bangladesh. She won the 2008 parliamentary elections and is currently the Prime Minister of Bangladesh.