Answer:
The last one. Free trade zone.
As people became more interdependent, they needed to live closer together. ((apex))
World War I
World War I lasted from July 28, 1914 – November 11, 1918. It started when the Archduke of Austria-Hungary, Franz Ferdinand, was assassinated by Serbia. It ended when Germany formally surrendered.
Since nomadic means to always travel (go to place to place)
A is the answer
U.S., Britain, and France
