<span>The use of metal tools marked the end of the neolithic age and the beginning</span><span> of the metal age. Many tools were improved and various metals were used. </span>
Dry farming's purpose was to conserve limited moisture during dry weather by reducing or even eliminating runoff and evaporation, thereby increasing soil absorption and retention of moisture.
Answer:
The Chinese Immigration Act, 1923, known today as the Chinese Exclusion Act (the duration of which has been dubbed the Exclusion Era), was an act passed by the Parliament of Canada, banning most forms of Chinese immigration to Canada
Explanation:
<span>When Otto I freed the Pope from the control of the Romans, he was named Holy Roman Emperor.</span>