What does the supreme court ruling at left suggest about texas’s african american and white law schools?

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.

When top-roping is used, how long should the rope be in order to protect the climber throughout the climb?

The best example of mobility rights as described in the canadian charter of rights and freedoms is