. "Leonel de Sousa agreement with Cantonese authorities in 1554" . . "re-established by 1549" . "Luso-Chinese agreement (1554)" . . . . . "Luso-Chinese treaty of 1554" . "Luso-Chinese agreement" . . . "an agreement with Cantonese authorities" . . "agreement" . . . "reestablished trade relations" . . . "1554 Luso-Chinese Accord" . . "first Luso-Chinese agreement" . "agreement with the Portuguese" . "negotiated with Chinese authorities the re-legalization of Portuguese trade in China" . "Luso-Chinese agreement (1554)" . "reestablished" .