In the 1970s, the US Congress passed a national law setting 55 miles per hour as the new maximum speed limit nationwide. This is an example of preemption. States could not have a higher speed limit, as indicated by the supremacy clause of the US Constitution. Thus, option 1. (c), 2, (a), and 3. (a) is correct.
What is national law?
The term “national law” refers to laws that apply to laws within each state. Citizens are subject to national law, which imposes and regulates them. The law is imposed with the main purpose of national law as peace in each and every state.
National law is the legal power to guide what is wrong? And what is right? The main focus is the law as a developed nation as well as spreading better living standards.
In the ancient history of America, in the 1970s, Congress established a national law as the main motive for setting 55 miles per hour as the new maximum speed limit nationwide.
Preemption is the highest tier of government, and it sets the cap. The US Constitution's Supremacy Clause establishes the supremacy of federal law over state law.
Therefore, option 1. (c), 2, (a), and 3. (a) is correct.
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