Which one of the following is not true concerning the importance of the steam engine? it led to the development of new means of transportation

It expanded industry

it reduced the need for coal

allowed mills and factories to be built almost anywhere

Find and simplify an expression for the area of five rows of square with side lengths of x

One idea which permiates mande culture is the idea of dual gendered twinship. true false

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.