The significance of the 54th Massachusetts regiment was that it was the first African-American regiment to play a major role in a military campaign.
<h3>What is the
54th Massachusetts regiment?</h3>
During the American Civil War, this infantry regiment saw an extensive service in the Union Army which included the African-American.
Therefore, the infantry regiment was significant because it was an all black regiment of troops during the Civil War.
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The third option is correct: Ronald Reagan's plan to outspend the Soviet Union led to a collapse of the Soviet economy and the political overthrow of its government.
