How was the philippine-american war different from other wars that americans had fought previously it was fought by a strong navy. it lasted longer than any other american war. the americans suffered heavy losses?

Which of these were effects of mass production techniques used during 1920s

What was the main objective of the national origins act of 1924

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.