In the early 20th century American culture was affected by radio and the movies because?

In the early 20th century, radio and movies revolutionized American culture by providing a new form of entertainment and a means of Mass Communication. They facilitated the spread of ideas, music, and news, helping to create a shared national culture. Radio brought families together in their homes, while movies offered an escape and a glimpse into different lifestyles, shaping public perceptions and social norms. This era marked the beginning of a more interconnected society, with media influencing everything from fashion to politics.