What role did the assassination and the ultimatum play in the outbreak of the war

How does the pyramid of giza include art, science, math, or a need for infrastructure?

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.

What was v-e day? a. victory in england day b. victory in europe day c. victory in japan day d. victory every day