sentences:  From 1495 to 1521 the Portuguese Crown bought in Antwerp, then the center of international trade, approximately 5,200 tonnes copper mainly from the Fugger of Hungary (Thurzo-Fugger company), which was shipped mostly to India.In 1506, about 65% of the state income was produced on overseas activity.The monopoly of trade remained profitable until 1570, and strengthened the equity and credit capacity of Portugal.