In the first half of the twentieth century, many american writers turned their attention to

a) dangerous people and the challenges facing societies that must deal with them
b) extraordinary people and the challenges of society's elite
c)ordinary people and the challenges of everyday life
d)highly educated people and the challenges of the life of the mind

The right answer is  A)dangerous people and the challenges facing societies that must deal with them

The explanation for this is made with the observation of the theme of the literary works of that time, how, social, political and cultural aspects would guide in a decisive way the work of the exponents of that period. Events like the use of the modern war machine in the service of barbarism, the witch-hunt captained by Senator McCarthy, the humiliating defeat in Vietnam culminated in a prose marked by fear, anguish and alienation, represented in the work of authors such as Saul Bellow, Philip Roth and Joseph Heller.

where exactly is the sentence