Plsss somebody me i will mark brainliest

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

What were some reasons the russian people grew to oppose world war i? check all that apply. millions had been killed. food and supplies were running out. the tsar had been overthrown. soldiers were forced to fight. industrialization was happening too quickly.

The author of the article, arthur brooks, has been president of the american enterprise institute since 2009, an organization committed to protecting free enterprise in the united states. he is the author of several books, including "the road to freedom: how to win the fight for free enterprise."