Answer: The Three kingdoms period, then, was a time when the Korean states were able to take advantage of the four centuries of political fragmentation that China suffered between the fall of the Han in the early 3rd century CE and the rise of the Sui dynasty from 581 CE and push forwards to achieve their own cultural development by absorbing and adapting the best cultural and political practices of ancient China.
North and South Vietnam became one country in the 1970's.
The expressed power the Supreme Court cited when it upheld the constitutionality of the Affordable Care Act (ACA) was: the power to tax.
Explanation
Even though the Supreme Court declared that the law could never be upheld, by a decision based on the regulatory power of Congress, the Court ended accepting that it was constitutional and valid for the Congressional power to tax, as a consequence, defending the individual mandate.
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