Please help!! :( Which of the following was a goal of Organization of American States?
A
strengthening the peace and security of the hemisphere
B
providing common action in the event of aggression against any state
C
eradicating extreme poverty
D
All of the above

Contrast the changes in french government policy during and after

Did the west show signs of cultural decline in the 20th century?

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.