Global silver trade from the 16th to 18th centuries which China desired, so they traded silver to make up for their trade deficit. The two most important mining colonies of the Spanish Empire were Peru and Mexico, who were estimated to have provided one-hundred thousand tons of silver from the mid 16th Century to the end of the colonial period. The richest, and most productive mine in the Americas was that of Potosí in what is modern day Bolivia. The richest camp in Mexico was in the city of Zacatecas, however the production of this mine was far less than that of Potosi. More simplistic native mining techniques dominated
Immigration to Uruguay of immigrants in Uruguay are the Spaniards and Italians, both establishing the backbone of modern day Uruguayan culture and society. Uruguay is a multiethnic nation formed by the combination of different groups over five centuries. Amerindians inhabited Uruguayan territory for several millennia before Spanish Conquest in the 16th century. Spaniards and Africans arrived in significant numbers under colonial rule. Many people of European background, African background and some Amerindians. Beginning in the second half of the 19th century, there has been a gradual European immigration from several countries, which had its peak between 1870 and 1920; back then, Villa del