The Khmer and Angkor empires. Hope this helped :)
Most of them came from the old world
You can send it to the school
Americans were more egalitarian than Britain people. They firmly believe and live based on the<span> principle that all people are equal and deserve equal rights and opportunities. They didn't have an aristocracy or high class or elites.
</span>In the 17th century most of the people in America were immigrants and yet to make their fortune. <span>However, by the late 18th century people of the society had access to better education and had a higher standard of living. </span>
Answer is A. The establishment of large farming corporations; barbed wire