Which of the following is an example of a historical claim?

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.

In document 1 what is charles hazewells attitude toward the sepoy rebels, and how did he use colorful and emotional language to make his point of view clear

What actions are the pope asking the university of oxford to take against wycliffe