Despite agreeing to remove soviet troops from eastern europe and hold elections, stalin kept them there. what did this signal? a. that eastern europe was not ready for democracy. b. the beginning of the cold war. c. that stalin wanted the natural resources found there to stimulate the soviet economy. d. the soviet union's commitment to protecting eastern europe.

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.