Original sentence: A combination of factors, including the curtailment of essential rice imports from Burma, poor administration, wartime inflation and a series of large-scale natural disasters such as flooding and crop disease led to the Bengal famine of 1943, in which an estimated 2.1–3 million people died
Edited sentence: A combination of factors, including the curtailment of essential rice imports from Burma, destruction of boats essential to river transport by the British, a ban on inter-province grain sales, wartime inflation and a series of large-scale natural disasters such as flooding and crop disease led to the Bengal famine of 1943, in which an estimated 2.1–3 million people died