From lakes and grasslands with hippos and giraffes to a vast desert, North Africa's sudden geographical transformation 5,000 years ago was one of the planet's most dramatic climate shifts.
The transformation took place nearly simultaneously across the continent's northern half, a new study finds. The results will appear in an upcoming issue of the journal Earth and Planetary Science Letters.
http://www.livescience.com/28493-when-sahara-desert-formed.html
The end of the 19 century, American Imperialism kept growing up, they wanted more land, more resources, but they couldn't deal with the Great Powers in Europe, so they invasion Spain.
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And He was always quietly Arrayed
