Judging from both the chart and the photo how can he use this document to argue that building the great wall of China was worth the cost?

Which describes the persian empire? choose all that are (a) the persian army defeated the athenians at the battle of marathon. (b) the persians avoided using ideas from the peoples they conquered. (c) cyrus allowed conquered peoples to keep their cultures. (d) darius i built a network of good roads for communication. choose all that are

Brainliestttme : ) what are trading blocs and what is the impact of international cooperation?

Which of these were effects of mass production techniques used during 1920s