The signing of treaties at bird's fort and torrey's trading house a. did not change relations between native americans and texans. b. trade between texas and the united states. c. encouraged peace between mexico and texas. d. promoted peace between texas and native americans.

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.