Firstly, The Berlin Wall was built as a symbol of the Cold War and to separate East and West Berlin. To prevent emigration from East Berlin into West Berlin or any other part of Germany.
The Fall of Berlin wall - It was torn down because East Berlin wanted yearned to be one free country with West Berlin. The destruction of the wall was celebrated all over the world.
One could be their poosition on the pacific ocean as well as the connection between south america and the USA. They also are connected to the gulf of mexico and the pacific. So I would say sea access and land connections.
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The history of technology is the history of the invention of tools and techniques and is one of the categories of world history . technology can refer to methods ranging from as simple as stone tools to the complex genetic engineering and information technology that has emerged since the 1980s
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