Television radio telefonia
Answer:
B. Cool fact when John White went back to Roanoke where his wife, daughter, and grandson were he found nothing there no sign of any colonists every living there, except the word "Croatoan" carved in a wooden post.
What’s the context for this question
The answer is Civil War. It was battled over the subject of national supremacy versus states' rights. It established that the national government was highest or supreme, its sovereignty or dominance derived directly from the people, and therefore the states could not legally separate from the Union.