Methuen Treaty a popular replacement. Cypher and Dietz, in the book ″The Process of Economic Development″, say that: "Portugal specialized in a commodity that did not have the same growth potential as did cloth for England. Portugal's economy suffered consequently, as the productive structure and institutions were moulded in the direction of wine production. In fact, after trade was rapidly expanded following the Methuen Treaty in 1703, Portugal was left with a sizeable deficit as its exports to England fell short of its imports from England. The boom in Portuguese-English trade fortuitously coincided with a gold rush in Brazil, Portugal's colony, enabling
Unequal treaty Great Britain, Guangzhouwan to France, Taiwan to Japan, the Jiaozhou Bay concession to the German Empire and concession territory in Tientsin, Shamian, Hankou, Shanghai etc.), and make various other concessions of sovereignty to foreign "spheres of influence", following military threats. The earliest treaty later referred to as "unequal" was the 1841 Convention of Chuenpi negotiations during the First Opium War. The first treaty between China and Great Britain termed "unequal" was the Treaty of Nanjing in 1842. Following Qing China's defeat, treaties with Britain opened up five ports to foreign trade, while also allowing foreign missionaries, at least in theory,