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A King or Queen is the official head of state but power is limited by a constitution.
a political barrier that isolated the peoples of Eatern Europe after WWII, restricting their ability to travel outside the region
the period of European history at the close of the Middle Ages and the rise of the modern world
phase of the Russian Revolution; led by Lenin and the Bolsheviks and marked the first Marxist communist revolution of the 20th century
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