A.Irrigate
They need to make an irrigation system to water their crops
It's part of your civil dutie as a citizen and It is the law for people to actively contribute to society.
The spread of Greek culture throughout most of the ancient world
Although Alexander the Great's kingdom did not last for long, his influence did. This is because the Greek were able to spread their culture throughout Europe and Asia. The Greek culture mixed with other civilization to for the Hellenistic culture that spread around Europe
Answer:
undertake both of the activities identified in choices A and B.