How did feudalism bring order and stability to Europe?

Me and youin the summer of 1804, after meeting native americans for the first time, lewis and clark reached the eastern edge of

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.

Explain one piece of evidence to show how the european system contribute to the growth of europeans in the indian ocean trade