transport troops and supplies. question 2 it was used during Qin dynasty.
Since they wanted to <span>profit from territories abroad they often demanded from their mother countries that they not be taxed and regulated in ways they would have domestically. </span>
They stayed in one place for food, farming, and homes. They evolved into systematic agriculture.
Answer:
Nation A, after having trade barriers erected against it by Nation B, then puts up trade barriers against Nation B in response.
Explanation: