<span>a plan to "pack the Supreme Court" </span>
The state laws can not supercedes the federal laws as long as the state laws remain at state level.
<h3>What guides the supremacy?</h3>
The supremacy of federal law is guided by Supremacy Clause that establishes that the federal law generally take a precedence over state laws and even state constitutions.
Hence, the state laws can not supercedes the federal laws as long as the state laws remain at state level.
Read more about Supremacy Clause
<em>brainly.com/question/1481445</em>
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The kingdom went into decline from the mid-16th century CE when the Portuguese, put off by the interference of Kongo's regulations on trade, moved their interests further south to the region of Ndongo. The latter kingdom had already defeated a Kongo army in 1556 CE.
Depending on what you mean, it changed when the north saw that slavery was not just, and started goin on the attack on it. Which lead to the whole civil war of confederates vs the union