Which is the best claim for an argumentative paragraph that discusses why the tea set is the most historically significant object in MacGregor’s text?

The tea set is the most historically significant object because MacGregor explains how it was used during the 1800s.
The tea set is the most historically significant object because it represents the ties between the upper and working classes of Britain.
The tea set is the most historically significant object because it is more important to the history of British society than the marine chronometer.