Whici section of the article represents major shift in the arriclws development? Why ? Mesapotamia

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

Write 3 paragraphs on why the us should not have annexed the philippines

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.