Which of the following best explains how the northwest ordinance of 1787 had an impact on westward expansion in the united states?
it granted women the right to vote new territories.
it established procedures for how territories could become states.
it prohibited slavery in all newly acquired territories.

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.