they sold little Mexican kids to people in Sweden . they are now used as side tables .
trade
Trade.
gold
The spice trade. Research the Dutch East India Company and you will find a wealth of information as to why the Dutch were able to dominate the spice trade.
Well, I'm not totally sure, but in my Geography book, it says its main source of wealth is Petroleum.
Agriculture
P. Diddy's wealth comes from his clothing line (Sean John)
Natural resources.
phosphates.
Dubai
diamond and farming