Pre-liberation
Zia returned to Pakistan the following year, and witnessed political turmoil and regional division. East Pakistan had been devastated by the 1970 Bhola cyclone, and the population had been embittered by the slow response of the central government. The political conflict between Sheikh Mujibur Rahman's Awami League, which had won a majority in the 1970 elections, the President Yahya Khan and West Pakistani politician Zulfikar Ali Bhutto had brought sectarian tensions to a climax. Sheikh Mujib laid claim to form a government, but Yahya Khan postponed the convening of the legislature under pressure from West Pakistani politicians. Bengali civil and military officers had alleged institutional discrimination through the 1960s, and now distrust had divided the Pakistani Army. Upon his return, Zia attained the rank of Major and was transferred in October 1970 to the 8th East Bengal regiment stationed in Chittagong to serve as its second-in-command.
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