Answer:
For example Al-Razi (Rhazes), who ran the Baghdad hospital in the late 800s and early 900s, was the first author known to have written a book about children's diseases. He also explained the difference between smallpox and measles: this helped doctors diagnose the diseases.
Explanation:
your welcome
Answer:
sorry am not really sure could you please give more detail?
Explanation:
Slavery helped out the class structure in the South by helping people become more dependent and more supportive of what they need.