Modernist authors wrote about a. the effects of light and shadows c. emotions and feelings b. regular people d. social problems

The correct answer is C) emotions and feelings.

Modernist authors wrote about emotions and feelings.

In the late 19th century and at the beginning of the 20th century, modernist authors tried to reflect a new style of writing, experimenting with new expressions and forms, completely different than previous authors. They focused on express sensibilities of their time, such as the emotions after World War 1. Friedrich Nietzsche, James Joyce, and Dorothy Richardson were among the important authors of the time.  

your answer would be a) no nation can be economically self-sufficient.

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