Supreme Court
Expansion of federal power refers to the growth of the authority and responsibilities of the national government, often at the expense of state and local governments. This concept is significant in understanding how the federal government has increasingly asserted its influence over various aspects of governance, particularly in areas such as commerce, civil rights, and social welfare. One pivotal moment in this expansion was the establishment of judicial review, which allowed the Supreme Court to invalidate state laws and actions that conflict with federal authority or the Constitution.
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