Wangsha Treaty
The Wangsha Treaty or the Mangha Treaty was the successor to the Treaty of Nanjing, which resulted in the Opium War. In October 1843, when the United Kingdom ended the Treaty of Fuman, the United States, which boasted the next trade with Britain through tea imports and opium smuggling Nine months later on July 3, 1844, he signed a follow-up treaty with the Qing Dynasty in Wang Sha Chan, a suburb of Macau. This was the first contract and inequality treaty between the Qing and the United States.