In the united states in the 1990s cuts in defense spending have been proposed because

Aside from low birthrates and high death rates, what can cause a country’s population to decline

Three broad zones with different climates and resources shape russian life. they include:

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.