The type of early communications that is thought to be between 10,000 - 12,000 years old and can be fond worldwide is : PetroGlyph
It was some sort of carving on the Rocks that ancient people used to communicate before the age of literature
hope this helps
During high periods of unemployment countries should focus on stimulating investments in the economy. this can be achieved through an expansionary fiscal policy that increases money supply in the economy, through tools such decreased taxation,reduced government borrowing and increased government expenditure.
I believe that would be the fault line.
Hope it helps!
