<span>The progressives were successful in reforming the federal government's taxes. In 1913, Woodrow Wilson enacted the Revenue Act of 1913, which included a graduated income tax - a tax that taxes the wealthy at a higher rate than those who are not as well off.</span>
The appropriate choice is option (b). The berlin blockade was the Soviet Union's response to the introduction of a separate currency by the United States, Great Britain, and France in June 1948 in the city of Berlin.
<h3>To what did the Berlin Blockade react?</h3>
The Soviet Union blocked all rail, road, and canal access to the western zones of Berlin out of concern over the new American policy of providing economic aid to Germany and other economically struggling European countries, as well as the Western Allies' efforts to impose a single currency in the zones they occupied in Germany and Berlin.
<h3>Who started the 1948 Berlin Blockade and why?</h3>
Stalin wanted to keep it that way, fearing that a strong Germany may constitute a threat to the Soviet Union. The Western Allies, in contrast to their viewpoint, were pressing Germany to rebuild in the Western regions. Stalin was enraged by this and decided to expel the Allies from Berlin.
Learn more about the Berlin Blockade: brainly.com/question/3798821
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American Revolution or The American War of Independence.
