The is to ancient indian civilization what the nile river is to ancient egyptian civilization.

What is the title of the head of thr department of defense?

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.

What isaura are reportes presently working to expose and reform?