Andrew Jackson supported the spoils system because he believed it * A. brought into government the country's most educated people.
B. opened up government to more ordinary people.
C. encouraged good workers to stay in their government jobs.
D. attracted young thinkers into public service.

Explanation is in the file

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His supporters advocated the spoils system on practical political grounds, viewing it as a way to reward party loyalists and build a stronger party organization. As Jacksonian Senator William Marcy of New York proclaimed, “To the victor belongs the spoils.” ... Jackson did not originate the spoils system.

Explanation:The answer would be B

b) the confederacy had to pay all union war expenses.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.