How did ancient China begin to move away from bartering, or directly exchanging goods? In other words, how did the ancient Chinese make sure the amounts of items traded were equal and fair?

with the Deben

Explanation:

the Deben was a measure of wieght in copper, the Deben itself was worthless it couldn't be sold or brought. Debens were never involved in the transaction but it was generally used measure for worth

the answer is c. many americans held nativist or racist views