Final answer:
The Supreme Court ruling in District of Columbia v Heller dramatically changed the meaning of the Second Amendment by conferring an individual right to possess firearms for lawful purposes.
Step-by-step explanation:
The Supreme Court's ruling in District of Columbia v Heller did dramatically change the meaning of the Second Amendment by confering to citizens an individual right to possess a firearm for lawful purposes. This ruling affirmed that the right to bear arms is not solely a collective right for the purpose of protection by a militia, but an individual right as well. This landmark case has had a significant impact on the interpretation of the Second Amendment.
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