After WW2, Many american cities began to decline because of the f<span>light of middle-class white families.</span>
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.
Low taxes, few government regulations and copetition encouraged people to invest in new industries.
B. Colonies felt they no longer needed English troops, but the English wanted the colonies to pay for the war.
Answer:
B A three dimensional surface
