Overly greedily I'm fairly sure
Answer: They enhance having a more dramatic tone to the text. They all have a sense of pain or death. They all have the letter "E" in them.
The overall tone of the passage "Caius Julius Caesar, the first Roman that came into Britain" is that, Julius Caesar was proud and felt like he could conquer Britain and take it for his own. Hope this answers your question. Have a great day ahead!
Part 1. - Indirect
Part2. - C.
Part3. - D.
Trust me this is right