This should be in English
In the United States, examples of the concurrent powers shared by both the federal and state governments include the power to tax, build roads, establish bankruptcy laws, and to create lower courts.
so i would say C. is the most reasonable.
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.
