While many people in 1920s Amercia enjoyed new consumer goods and luxuries, some groups, such as farmers and those employed in traditional heavy industries, experienced extreme poverty. This, together with social inequality and racism, resulted in increased tensions across the nation.
The United States placed Japanese Americans into internment camps during World War II because of fear that those with ethnic and cultural ties to Japan would aide Japan's cause in the war. After the surprising attack on Pearl Harbor, the American government (as well as many Americans) worried about Japanese threats and doubted the loyalty of Japanese Americans. - Enotes Website
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Leonardo da Vinci was the painter of the last supper
<u><em>Corporate structure and frenzied investment/speculation, insufficent grass to support long drives, ranges were shrunk by railroads, severe weather in 1885-1887.</em></u>
<u><em>The cattle frontier ended because barbed wire was invented, which replaced the need for cowboys. Weather also influenced the downfall, as blizzards trapped herds and droughts caused fire. These disasters destroyed land, and many animals were lost. </em></u>