<span>United States decide to enter World War I </span>because of the Germans' decision to resume the policy of unrestricted submarine warfare,
Hi! I think there's no image of the chart but I'd like to answer about the Columbian exchange that might be the answer. The Columbian Exchange started was the widespread of trading of Americans and Afro-Asians and was followed by the voyage of Christopher Columbus to the Americas in 1492. They were exchanging plants, animals, technology, ideas, diseases and human populations.
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After the treaty of Versailles, the Austro Hungarian Empire was divided into The Republic of Austria, the Kingdom of Hungary, Czechoslovakia, the Free State of Fiume and the State of Slovenes, Croats and Serbs (Yugoslavia).
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