I would say that the US and the Soviet Union at the end of WWII withdrew their troops as soon as a demilitarized zone was created. Also, I am sure they would require a peace treaty to be signed with Germany before withdrawing troops.
Telecommunications has certainly been a big influence.
Think of a piece of paper that is enhanced to grow forever. This would
fit the definition of a plane. A plane is a flat surface that has no
thickness. A plane contains an infinite number of lines and extends
without end in the directions of its lines.
D. Hydrogen
Two elements make up the overwhelming majority of the sun's matter, by mass: hydrogen (about 70 percent) and helium (about 28 percent).
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