<span>1. to reduce the amount in blocks or sizeable amounts: decimate
2. food and drink; necessary foods in order to stay alive : sustenance
3. The ancient power structures which were cities that were fortified into independent units of strength : city-states
4. being of nobility or of a privileged upper-class: aristocratic
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During<span> the 1960s the availability of primary sources made historical research and</span>writing<span> possible and the debate became more vigorous. Historians Herbert Feis and Gar Alperovitz raised searching questions about the </span>first use<span> of nuclear weapons and their broader political and diplomatic implications.</span>
Answer:
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<span> B. expanded presidential war powers</span>