Which invention allowed early industries to be located in various geographic areas?

assembly line
steam boat <
steam engine

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.

Provincial cuisine is characterized by elaborate preparations, fancy garnishes and rich sauces. true false

How did louis sullivan and william jenney change the face of american cities in the late 1800s