During the 1920s, life in Indiana underwent significant cultural changes, particularly among younger people who began to adopt new fashions and lifestyles reflecting a newfound sense of freedom. This change was part of a broader social transformation occurring across the United States during the Roaring Twenties, characterized by shifts in attitudes towards fashion, social norms, and individual expression. Therefore, the most accurate response regarding changes in Indiana during the 1920s would be:
Younger people adopted new fashions to express a new sense of freedom.