I think it’s “ Swimming swiftly, was the only way for the dolphin to stay with its pod “
The topic sentence introduces the reader to what you will talk about.
B. They announce the main ideas of paragraphs
This would appear to be personification as it is giving human qualities to the Sun, even referring to the Sun as he.
Macbeth has elements in it, like the dark rise of power and ambitions that tend to go over the edge, that relates with many modern-day situations.