Which of the following explains the significance of the Qin Dynasty introducing iron technology?

1) There was no more use of wood in the construction of public works
2) The army no longer had to use lead in the construction of their armor
3) Soldiers now had stronger weapons than their previous bronze ones
4) The population increased as there were more cities built along the primary rivers

Question

Which of the following explains the significance of the Qin Dynasty introducing iron technology?

1) There was no more use of wood in the construction of public works 
2) The army no longer had to use lead in the construction of their armor
3) Soldiers now had stronger weapons than their previous bronze ones
4) The population increased as there were more cities built along the primary rivers

anonymous · Answer

Please help! In the middle of a test and this information is not in any of my lessons! I have searched my lessons inside and out! I even called my teacher...

anonymous · Answer

@ganeshie8 
I do not believe it is ethical to help during a test but I am not sure about the rules?

anonymous · Answer

It's ok I already finished the test and got an A