Upon which idea is glasnost based? question 15 options: a return to the ideals of stalinism openness of speech and expression expansion of the soviet empire in western europe reform of the soviet union's economic status

Which quotation from the declare ration of independence shows the idea of the social contract

Many blacks moved from the south to northern cities during world war li looking for employment. after the war, a number of them lost their jobs. why did this happen?

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.