Who was the most successful German kingdom

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

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.

Name at least three countries neaolpeon controlled