William the Conqueror was important because he established feudalism in Europe.
I believe that it would be the second option.
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The stock market crash of 1929
D.All of these choices are correct.
Explanation:
- Europe lost about 50 million people due to the war, the birth rate and the Spanish fever epidemic from 1914 to 1921.
- Roads and factories were destroyed and inflation raged in Germany, Austria, Hungary, Italy and Poland.
- The Balkan countries were particularly affected.
- As the population in this area was largely agricultural, land reforms were carried out and so many peasants acquired private estates.
