Do a drawing representing irrigation !

What unexpected moment from the evacuation shows that the inmates retained their humanity in spite of being treated no better than animals by their guards?

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?