The britons had already gone into the iron era which rome was just introduced to. a disadvantage was strategy. the romans were strategically gods.in other words the britons were not great strategists.
The answer is: The Normans were responsible.
Kievan Russia traded with the Byzantines extensively. It was a loose federation of East Slavic tribes in Europe, under the reign of the Rurik dynasty. Currently, the modern peoples of Belarus, Ukraine and Russia all claim Kievan Russia as their cultural ancestors.
The depression was caused by a number of serious weaknesses in the economy. ... America's "Great Depression" began with the dramatic crash of the stock market on "Black Thursday", October 24, 1929 when 16 million shares of stock were quickly sold by panicking investors who had lost faith in the American economy.
