Efficient government and adequate rulers
The correct options are A, B & E.
Option A. The lost generation’s writings (literature) reflected cultural attitudes during the 1920s in the way that it referred to the group of musicians, writers, and intellectuals that appeared in those years.
Option B. Freud’s Psychoanalytic theory influenced surrealist artist to express their human nature with books like “Beyond the Pleasure Principle” “and Interpretation of Dreams”, both written in 1920.
Option E. Jazz music reflects cultural attitudes during the 1920s thanks to the politics, technological (radio) and economic (consumerism) developments that made the Jazz music’s popularity higher because the 1920s were an economic success in the US which lead to increase the consumer culture.
Black soldiers were not treated like white soldiers were, even though they wanted to fight in the war. Whites soldiers feared the way they would coke back from the war. Black doodles revived way less more medal than the whites. And also because blacks were moving into places whites haven't been.
In the early 1800s, many poor mentally ill patients lived unfortunately in "prisons" since this was long before the days when mental health was a serious consideration for many.