The reason that transformed U.S Politics in the 1920s is the ascent of progressive politicians. The correct answer is option B. This period was known as the Progressive Era. This transformed the U.S Politics because its aim was to eliminate the corruption in the government.
Soldiers came and extinguished all protesters and seized Tiananmen square on June, 4. The statue was destroyed through the riot.
The terms "trial of tears" and "the place where they cried" refer to the suffering of Native Americans affected by the Indian removal act. It is estimated that the five tribes lost 1 in 4 of their population to cholera, starvation, cold and exhaustion during the move west.
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The answer is U.S President. Hope this helps