Explain the following quote: "The royal government of Servia condemns the propaganda against Austria-Hungary, which has the aim of separating Austria-Hungary from some of her dependencies."​

In △abc the angle bisectors drawn from vertices a and b intersect at point d. find ∠adb if: ∠c= γ

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.

Which european nation had the most dominant navy during world war i