Which theme from the excerpt was reflected in american society in the early 1800s? growth of social reform movements despite strong regional resistance growth of romanticism and its promise of universal equality decline of federal power in light of growing state economic power decline in the number of citizens eligible to vote

The correct answer is Growth of social reform movements despite strong regional resistance

After gaining its independence in the late eighteenth century, the United States consolidated itself as a nation state and underwent major transformations during the nineteenth century. Among the changes that took place, there was the great territorial expansion that the country suffered, either by the purchase of territories or by war.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

im not sure on this one