Answer: silk road
Explanation: The silk road was very helpful because that was where they got all their resources from
True the copper belt is only located in Zimbia.
They walked across the Bering Straight, which was a land bridge at the time
A gentlemen's agreement or gentleman's agreement is an informal and legally non-binding agreement between two or more parties. It is typically oral, though it may be written, or simply understood as part of an unspoken agreement by convention or through mutually beneficial etiquette. The essence of a gentlemen's agreement is that it relies upon the honor of the parties for its fulfillment, rather than being in any way enforceable. It is, therefore, distinct from a legal agreement or contract, which can be enforced if necessary
