Why did the west African kingdoms profit from the trans-Sahara trade

Who was marshall mcluhan and what did he have to do with communication theory?

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.

The zhou controlled the area to the east of the shang kingdom true or false pleas