The nation lost half of its oil imports, and 85 percent of its international trade economy.

In the sea also where the barter trade economy been used.

In doing so it quickly began to open its borders to the trade of various other countries thus adding itself to a global trade economy.

Though the ruling class essentially controlled the trade economy, a middle merchant class supervised import and export from cities and trade ports.

But as an open, trading economy, this country depends on growth in its principal export markets.