World war 2 Why did France and Britain agree to Germany's annexation of the Sudetenland?
A.
to convince Germany to ally with them and not the Soviets

B.
to maintain close economic ties with Germany

C.
to appease Germany in hopes of preventing war

D.
to prevent further Soviet expansion into Eastern Europe

I believe the answer is Barbed Wire.
Befor the inventions of barbed wire, the Cattles are let to roam freely across the plains and the owners are required to pay a lot of cowboys to supervise them so they didn't go missing. Witht he invention of barbed wire, they can keep the cattle in a secure place without supervision.