What is it called when responding to both multiple stimuli and responses possibilities have been shown to be affected by blood alcohol concentration as low as .04

This is called a complex reaction time. Since the response is for a multiple stimuli and response possibilities, it should be a complex one which relates to "many" or multiple. The total time to respond to a stimuli is called a reaction time. Thus, it represents a complex reaction time.

the following best describes postwar era writers in their works:

progressive

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