What were the themes and concerns expressed in the literature of the times?

In the year blank the us stock market collapsed. a. 1929 b. 1921 c.1933 d. 1941

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

Germany raced to build the largest navy.