The historical event that caused the United States urban population to climb from 6 million to 44 million between 1860 and 1910 was the development of factories during the industrial revolution. Money was to be made and this made people rush to the cities. They also had popular entertainment attractions that brought people in such as vaudeville amusement parks, etc.
Answer:
B
Explanation:
Everything above rome is considered to be Northern Italy
The Inca developed important medical practices, including surgery on the human skull. In such operations, they cleaned the area to be operated on and then gave the patient a drug to make him or her unconscious—procedures similar to the modern use of antiseptics and anesthesia.
Nurse jobs, teachers, and domestic servant.