I think it's the telephone because it allows people to communicate better and customers or workers don't have to walk up to everyone and disturb them. You may elaborate more on this with your own opinion
1. The people in wagons/horseback with regular clothing are the groups moving west. With them, they bring death/destruction.
2. They may be moving west for better job opportunities, freedom, or to explore.
3. The Native Americans and animals like bears/buffalo were already in the West. They are forced to flee, fight for their land, or even die.
4. The figure in the center of the painting is Lady Liberty. She may represent America as a whole + the way they brought their ideals, hopes, and technology to the West along with them.
5. John Gast likely did not believe that US expansion in the 1800s was justifiable b/c in this painting of his, he portrays some of the negative effects that American expansion had on several groups in the West. There is a pile of animal bones symbolizing death, and other animals, as well as Native Indians, can be seen running away from the people moving west, showing how American expansion caused many to leave their homes.
The main reason was that the Ottoman empire was in very slow decline during these years; when other major European powers were starting to industrialize themselves. Because the Ottoman Empire couldn't keep up ,they suffered the consequences in the form of a later period of industrialization.
Answer
The blues music resides in the element of African-Americans creating their own aesthetic. Blues music represents the opposing voice that refused to be silenced by oppression and segregation.
Hope this helped!
A. Genghis Khan was the supreme leader of the Mongols
