C- nelson Mandela; the rest of the answers for the pretest are:1)b 2)ac 3)c 4)a 5)a 6)c 7)b 8)a 9)bde 10)d 11)d 12)a 13)d 14)d 15)a 16)c 17)bc 18)c 19)d 20)c hope this helps!
C) Too many people were already living in rural or country areas
In the mid-1800s, pioneers who traveled through the great plains to the west faced group of summer rainstorms and rugged mountains.
<h3>What difficulties did the people of the Great Plains face?</h3>
- The land was dry and unproductive, making crop cultivation difficult. Furthermore, dangerous animals such as buffalo were free to roam. To survive in these harsh conditions, the Plains Indians had modified their way of life.
- Their survival depended on buffalo hunting. Gold rush and mining opportunities (silver in Nevada) The opportunity to work in the cattle industry; to be a "cowboy" Faster travel to the West by railroad; increased supply availability due to the railroad The Homestead Act allows you to buy land for a low cost.
- The Great Plains were long inhabited by Native Americans, who hunted the teeming herds of buffalo (see bison) that roamed the grasslands and were nearly extinct by the end of the nineteenth century due to wholesale slaughter by settlers and the US army. In the 17th century, the Spanish explored the region.
To learn more about Great plains refer to,
brainly.com/question/720823
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Answer:
In 1915, The Atlantic Monthly carried an essay by Du Bois, "The African Roots of the War", which consolidated Du Bois's ideas on capitalism and race. In it, he argued that the scramble for Africa was at the root of World War I.
Explanation: