I can tell you that to answer that I need to read the article before the questions.
Obvious if there is an article if not I do not understand.
Answer:
The struggle for power by opposing groups for vengeance, occuring naturally in disagreements, repeated in different generations and countries with horrifying results creates a frightful form of government.
MacGregor believes the antique tea set to be a symbol of British history. He includes a quotation from a historian to support his point.
MacGregor calles it 'a three piece social history of nineteenth-century Britain' and quotes historian Linda Colley as well connecting the tea set with the history of the Royal Navey protecting trade routes throughout the world.
B. The interest earned on both the principal and interest
Theres no context to this question