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Mutually Assured Destruction, or mutually assured deterrence (MAD), is a military theory that was developed to deter the use of nuclear weapons. ... To many, mutually assured destruction helped prevent the Cold War from turning hot; to others, it is the most ludicrous theory humanity ever put into full-scale practice.
In the United States, there are several ethnic groups that coexist and tend to group in certain areas of the country. Hispanics tend to live in large cities, mostly in the southwest, while african americans are clustered in the southeast of the country. Asian americans are mostly present in every big city in the USA, but they tend to concentrate in the west part of the country. Finally, Native americans are largely clustered in the southwest and most of the plain states of the country.
The Seventh Crusade was a crusade led by Louis IX of France from 1248 to 1254. Louis' Christian army was defeated by the Ayyubid army led by Fakhr al-Din ibn Shaykh al-Shuyukh and their allies, the Bahriyya Mamluks, led by Faris ad-Din Aktai, Baibars al-Bunduqdari, Qutuz, Aybak and Qalawun.
As Europeans moved beyond exploration and into colonization of the Americas, they brought changes to virtually every aspect of the land and its people, from trade and hunting to warfare and personal property. European goods, ideas, and diseases shaped the changing continent.
They are both major US cities
