Answer:
It is b
Explanation:
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The 1920s were a period of dramatic changes. More than half of all Americans now lived in cities and the growing affordability of the automobile made people more mobile than ever. Although the decade was known as the era of the Charleston dance craze, jazz, and flapper fashions, in many respects it was also quite conservative. At the same time as hemlines went up and moral values seemed to decline, the nation saw the end of its open immigration policy, the revival of the Ku Klux Klan, and the trial of a Tennessee high‐school teacher for teaching evolution.
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To enforce and implement laws made by the Congress.
Answer:
Isolationism is the practice or policy of taking distance from the interest or political affais other groups or countries, which has been sometimes characteristic of the Ameican political life as it was after WWI.
Some senators in the USA believed that the League of Nations violated the sovereignity of the country thus deciding not to join the league and refusing to ratify the Treaty of Versailles which was the agreement that officially ended WWI. Thereby (<em>C.</em>)