Through much dilligence and very hard work, he enough money to retire at an early age. accrued prostrated convicted commenced

the correct answer is:

this is an example of the writer telling through description rather than showing through dialogue.

sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,

the answer is a (apex)

the definition of thane is   a man who held land granted by the king or by a military nobleman, ranking between an ordinary freeman and a hereditary noble.