How did the fear of "another vietnam" affect american foreign policy?

The correct answer is a reluctance to become directly interventionist in foreign policy.

The fear of “another Vietnam” affected American foreign policy in a reluctance to become directly interventionist in foreign policy.

The War of Vietnam really affected the United Society in different aspects of society. The soldiers’ deaths, the soldiers hurt, the impact of the images watched on TV and the withdrawal of the U.S. troops from Vietnam, marked the hearts and minds of the American people. From that on, the government really was cautious in the foreign policy arena because the fear of “another Vietnam” made politicians reluctant to become directly interventionist in other countries. Since then, military operations had been carefully considered.

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.

sorry i really dont know