Which countries became centers of world trade after the Great Geographical Discoveries?

First, Portugal. After the Great Geographical Discoveries, the islands in West Africa, Guinea, trade points in China and India came under its control. Portugal completely controlled the export of porcelain, silk, spices from Asian countries, and numerous slaves from Africa. Secondly, Spain. The Spaniards in a short time conquered the powers of the Incas, Aztecs, Mayans, began to colonize Panama and the isthmus. They exported silver, gold, incense, spices from the conquered South American countries.