The main problems of evidence in dealing with early civilizations is that much of the potential evidence itself--such as tools, homes, etc--has vanished due to the fact that it was made of materials such as clay that could not withstand the test of time and weather.
<span>Food Sources, Region, Spiritual Practice`s
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With the Meiji reforms in the late 19th century, the samurai class<span> was </span>abolished<span>, and a western-style national army was established. The Imperial Japanese Armies were conscripted, but many </span>samurai<span> volunteered as soldiers, and many advanced to be trained as officers.</span>