Answer:
B
Explanation:
The US had never lost a war before, making war a less favorable option: the end of the Vietnam War marked a difference in US foreign policy. Thus, option A is the correct option.
The end of the Vietnam War marked a difference in US foreign policy in that the United States became more hesitant to engage in large-scale military interventions. Option A is the most accurate choice among the given options. The Vietnam War was a costly and divisive conflict for the United States, resulting in significant loss of life and resources without achieving the desired outcomes.
The war had a profound impact on public opinion and eroded the American people's trust in the government's decision-making regarding military engagements. As a result, there was a shift towards a more cautious approach to future military interventions, with a greater emphasis on diplomatic solutions and a reluctance to commit to protracted wars without clear objectives or popular support.
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