In the 19th century, south american cities became more integrated into the global economy by coordinating the export of primary commodities and the import of manufactured goods. what primary commodities were important in the 19th century

Exporting economies of primary products of temperate climate:

The first group (export economies of primary products of temperate climate) belong to Argentina and Uruguay, since they have large areas of land suitable for agricultural production.

Basically exports consisted of hides, wool, wheat and frozen meat.

Export economies of primary products of tropical climate:

The second group of exporting countries is made up of those that are dedicated to tropical agricultural products and that, as a whole, represent the majority of the Latin American population. In this group are included: Brazil, Colombia, Ecuador, those of Central America, those of the Caribbean, as well as certain areas of Mexico and Venezuela.

Much of the production of two of the basic items of this group, such as sugar and tobacco, had colonial characteristics until the end of the 19th century. However, the appearance of a considerable demand for coffee and cocoa from the mid-nineteenth century allowed Brazil, Colombia, Central America, Venezuela and Ecuador to play a very dynamic role in their integration into international trade.

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

during the ming dynasty