Answer:
consumers reduce spending as they fear the nation will go into war
Step-by-step explanation:
shocks are unpredictable in nature, external shocks are outside our control. sudden discoveries, disaster , death of trading partner etc are some of the examples. They usually affect the imports - exports of nations.
If consumers perceive war coming possibly due to utterances/actions of political leaders. The reduced spending ( spending pattern) is expected as people prefer to have cash with them during war due to scarcity or need to run to safe places.