Which definition of the time designation BCE is correct

Simply put, BCE (Before Common Era) is a secular version of BC (before Christ). CE (Common Era) is the secular equivalent of AD (anno Domini), which means “in the year of the Lord” in Latin. January 1, 45 BCE (Before Common Era), or – if you prefer – on January 1, 45 BC (before Christ)

Explanation:

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.