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The number of relatives a family had helped determine wealth and success. The Eskimo definition of a poor man was one who was without kin. Kinship ties improved relationships between regions and extended the area in which members of a village could travel in safety.
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Answer:
The history of polio (poliomyelitis) infections began during prehistory. Although major polio epidemics were unknown before the 20th century,
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C - Cold War (I need to add more since it needs to be 20 characters long)
They call it the World War because 1914-1918 was the first of a particular type of international conflict the world's first industrialised "total" war - which had been followed by a second industrialised world war of this kind - 1939-1945.