This role is mandated by history (it's a natural extension of the melting-pot tradition), economics (America stands to gain most from globalization), and necessity (no one else can).
Economics is one of the issues that makes the role necessary.
The role isn't mandated by economics or necessity.
Group of people playing paintball in the woods.
Her play started to run in November 25 1952 at the Ambassadors Theater and it was still running in 2007.
There is one man in this picture, and he is outside.
the man is in the water
The picnic was canceled.
Two female are outdoors.