What was the experience of africans in british colonies during their struggle for independence?

Which of the following is an example of imperialism

Match the leaders with their goals at the yalta conference of 1945. franklin roosevelt winston churchill joseph stalin wanted to prevent future threats from germany wanted free elections in eastern europe wanted soviet against japan

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.