Cocoa beans were their form of money. They were what's called "bartering", or "trading".
Hope this helps~!
~Isle of flightless Duns
I believe meritocracy is the system you’re looking for.
Ex. Civil Service Exam
Many knights were professional warriors who served in the lord's army. ... In return, the lord provided the knight with lodging, food, armor, weapons, horses and money. Peasants, or serfs, farmed the land and provided the vassal or lord with wealth in the form of food and products.
Robert Edward Lee (January 19, 1807 – October 12, 1870) was an American Confederate general best known as a commander of the Confederate States Army during the American Civil War. He commanded the Army of Northern Virginia from 1862 until its surrender in 1865 and earned a reputation as a skilled tactician.