the fertile crescent is called the crossroad of the world because it was were there were farming and it was were many things were invented. like the water clock ,the alphabet, the 60 base system, and much more. - hope this helps
"His death occurred on August 16, 1938, at the age of 27 at a country crossroads near Greenwood, Mississippi. He had been playing for a few weeks at a country dance in a town about 15 miles (24 km) from Greenwood."