Will give brainliest answer and 20 pts. langston hughes’s poem, “the negro speaks of rivers,” created a powerful impression when it was first published in 1921. african american readers recognized it immediately as a great poem about their heritage. critics in general praised it lavishly. write an essay in which you analyze how the poem achieves its effectiveness.  

What motivated germany to make an alliance with austria-hungary?   a.  fear of aggression from the united states      b.  fear of aggression from france      c.  the desire to invade russia      d.  fear of aggression from england

Which of the following would be the most immediate effect of sanctions on a country?

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.