When was Adolphe Hitler's Birthday?

According to darwin’s theory of evolution, how are the finches that live on the galapagos islands similar to members of a family tree? all of the finches share similar traits. all of the finches share common ancestors. all of the finches are able to reproduce. all of the finches are adapted to survive the same conditions.

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

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.