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Bangladesh War of Independence, a civil war taking place in Pakistan's Bengali half, after millions of refugees had fled the persecution of the Pakistani army.<unk>Bangladesh War of Independence, a civil war taking place in Pakistan's Bengali half, after millions of refugees had fled the persecution of the Pakistani army. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Relations with the United States grew tense, and India signed a 20-year treaty of friendship with the Soviet Union<unk> explicitly breaking for the first time from non-alignment. 1974 India tested its first nuclear weapon in the desert of Rajasthan, near Pokhran.<unk> 1974 India tested its first nuclear weapon in the desert of Rajasthan, near Pokhran.