Answer:
Right choice:
B. Putting interests of a particular section or region above those of the nation…this refers to the growing cultural and economic differences between the North and South in the years leading up to the Civil War.
Explanation:
The most divisive issue was slavery, free states versus slavery states, abolitionists of the North against the pro-slavery establishment in the South. The two parts of the USA had different economic systems, with the South being agrarian and the North being industrial. There were major divergent commercial and business interests, too.
A citizen - they are the ones with the right to vote, and have legal status as a person.
The answer is A since they did show how mathematics and measurement could be used in scientific investigation
It would be the "United States" that <span>emerged as a global superpower shortly after World War II, due largely to its manufacturing capability but also because it had been protected by two massive oceans. </span>
Their ethnicity / culture / nationality?