Traditional hunter-gatherer lifestyles were thrown away for more reliable food supply and permanent settlements. Agriculture also helped establish social classes. New technologies also developed due to the need for better tools for farming.
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Answer:
For scientists who love and study them, fossils are more than mere curiosities; they help piece together mysteries from the deep past, and allow researchers to better understand life on Earthtion:
Sharecropping is what trapped many southern African Americans in a cycle if debt.
<span>The main purpose of the Freedmen's Bureau was to (provide assistance to former slaves).</span>
