C because I need the last step
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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Answer: a Steam Locomotive.
<h2>What is a Steam Locomotive?</h2>
"<em>A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine."</em>
<h2>What is the Tom Thumb?</h2>
"<em>Tom Thumb was the first American-built steam locomotive to operate on a common-carrier railroad."</em>
-Edge
Answer:
The cause of World War I, which made the aforementioned items transferred to alliances, imperialism, militarism, nationalism was the assassination of Archduke Franz Ferdinand of Austria-Hungary. When Russia began to prepare for WW1 due to the alliance with Serbia, Germany declared war on Russia.
Bay of pigs and the missle crises