Cabral was originally successful in negotiating trading rights, but Arab merchants saw Portugal's venture as a threat to their monopoly and stirred up an attack by both Muslims and Hindus on the Portuguese entrepôt.
Cabral mulanya berhasil menegosiasikan hak-hak perdagangan, namun para pedagang Arab melihat ekspedisi Portugal sebagai ancaman bagi monopoli mereka serta mencetuskan suatu serangan gabungan oleh kaum Arab dan India pada entrepôt Portugis.