How did the growth in the popularity of radio in the 1920s contribute to changes in American culture?

Select two that apply.

1. It transformed the entertainment industry, replacing interest in attending movies and sporting events.
2. It created regional cultures, isolating people from national news and trends.
3. It standardized the information made available to people across the nation, creating a shared culture.
4. It fueled negative propaganda, prompting the government to regulate all sources of mass media.
5. It contributed to a consumer economy, enabling advertisers to reach potential buyers directly.