Why did the government implement wartime conservation?

In 1939, the British government circulated a pamphlet about how to care for ... I. In April 1916, Germany implemented the world's first clock shift as part of a plan to ... Daylight saving was widely regarded as a wartime measure

Explanation:

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answer: what is the question?

explanation:

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.