This style of 20th-century composition was a reaction to information overloading and the blooming confusion of our complex societies. It is based on brief patterns and repetition with the strict economy of means.

Minimalism

Explanation:

Minimalism is a post World War II art movement in various fields of music and visual arts. It employs limited or minimal means so as to break from the tradition of decorative, ornamental and excessively beautified representations.

Minimalism in musical composition depicts repetitive features and variations. It places emphasis on economy of musical notes providing aesthetic merit to the compositions.

to conclude the essence of Minimalism in music with a quote:

"Less is More"

is it to late to answer?

your answer would be d.)