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Leonel de Sousa was the secondCaptain-Major ofPortuguese Macau in 1558 (the equivalent of the latergovernor of Macau). In 1554 he had negotiated an agreement with the local authorities of Guangzhou known as thefirst Luso-Chinese agreement which allowed the legalization of Portuguese commercial activities in China through the payment of taxes. This agreement opened the way for the establishment ofMacau as Portuguese warehouse three years later. This agreement which was negotiated by Leonel de Sousa, captain-chief of Japan's voyage, opened a new era in Sino-Portuguese relations, because since 1522 the Portuguese were officially prevented from trading: several embassies had failed and trade was carried out as contraband and fought by the authorities, who considered them 'folanji' fighting them as pirates.
Since the arrival in Japan in 1543, the Portuguese had begun an intense commerce betweenGoa andMalacca with Japan. Leonel de Sousa, the chief captain of Japan's voyage, arrived at the coast ofGuangdong in 1552, where he learned that all foreigners were permitted to trade there for the fee payment, except the 'Folanji' (the pejorative name for the Europeans and for the Portuguese in particular, which were considered as pirates).[1] He promised that the peace conditions and the taxes payment to be fulfilled providing the authorities to change this 'name'. In 1554 Leonel de Sousa, together with the chief captain ofChaul, made an agreement with officials of Canton to legalize the Portuguese commerce, on conditions that they would pay the stipulated customs duties.[2]
The only written testimony of this agreement is a letter from Leonel de Sousa of 1556 to theInfant D. Luís, where he affirmed that the Portuguese were to pay the fees and not to erect fortifications. The letter is one of the most important documents in the history of Sino-Portuguese relations, describes the prolonged negotiations with the superintendent of the navy ofCanton, the Haitao Wang Po, identified in the Chinese sources as that who had accepted a bribe of the Portuguese by letting them pay taxes in Canton. As the port ofGuangzhou also faced impoverishment since it was closed to foreign trade the agreement was profitable for both sides. Leonel de Sousa tried to negotiate the payment of only 10% of the fees, to which Wan Po counterposed the obligatory 20% but focusing only on half the load, which Leonel de Sousa took with the help of the wealthy merchant Simão d'Almeida, and outside the Beijing government. This treaty would be followed by the recognition of Macao as a Portuguese official warehouse in 1557.[3]
