How would you feel if you were the Chinese minister? You are trying to stop the selling of a very addictive and harmful drug amongst your people and Britain was like look I know it is harmful and you have laws against the selling it but we need the money.

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.