I think you forgot to add some detail but based on my research, the correct answer to this question is "to develop new markets and locate additional natural resources." Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Economic hardship created by the Great Depression
I believe that would be B. Metal weapons and armor
Hope it helps!
One is environmental: that a combination of overgrazing and drought caused the soil on the Zimbabwe Plateau to become exhausted. ... The other explanation is that the people of Great Zimbabwe had to move in order to maximise their exploitation of the gold trade network. By 1500 the site of Great Zimbabwe was abandoned
A. the amount of time they spent building the wall
I think the answer is A, when I looked at the picture and did some research, I found that the wall is 70 miles long so it's pretty obvious that they spent a lot of time making it in ancient old times.
