In which environment do you think a city was most likely to develop? Give two reasons for your answer.

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.

During the age of imperialism, suez canal connected which two bodies of water?

What race did the soviets win in 1957?