What modern (1950 - today) controversial issues and/or legislation reflect the use of the supremacy clause? I so appreciate your answer. Thank you

answer; i believe the correct answer is enlightenment;

answer; i believe that the correct answer is ( rivers);

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.

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