Cesar chavez used to protest working conditions for migrant workers? a. strikesb. marchesc. boycottd. all of the above

Describe germany’s successes at the beginning of world war 2?

Write 3 paragraphs on why the us should not have annexed the philippines

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.