The significance of the "Articles of Confederation" lies in that it is the very first written constitution of the United States. The structure of the "Articles" provides for independence and sovereignity of the states, while Congress appears as a last resort for disputes.
The correct options are A, B, and E.
Explanation
The form in which literature, art, and music reflect attitudes during the 1920s are:
Option A, writings from the lost generation expressed the disillusionment that many other people felt. For example, writings from Jack Kerouac.
Option B, Freud's psychoanalytic theory influenced surrealist artists to express their human nature.
Option E, jazz music turned the experience of uncertainty into feelings of freedom from old restrictions or beliefs. It was a different form of expression.
Authoritarian Regimes. ... One ruler or a small group of leaders have the real power in authoritarian political systems. Authoritarian governments may hold elections and they may have contact with their citizens, but citizens do not have any voice in how they are ruled.