•Germany under the fascist regime of Adolf Hitler
•Germany being increasingly hostile and thinking anyone who isn’t if the Aryan race was subhuman
•Germany declaring war and attacking Poland for land in Sept. 1st, 1939.
•France and The UK already had hostilities to Germany before the war are rivalries and the political tensions just sped things up.
Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
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Answer:The degree to which a person is healthy, comfortable, and able to participate in or enjoy life events is referred to as quality of life.
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world war 1 russian revolution roaring twenties
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