No improvement to this sentence is necessary. It makes perfect sense on its own and sounds right. "Either" always takes an "or" else the word wouldn't make sense, as it's meant to contrast binary options.
eg.
I'm either going to eat food or drink water.
This led to
explaination- it’s the only answer choice stating that one thing led to another
Oberon instructs Puck, his helper, to find a magic love potion and to give it to Lysander so as to make him fall in love with Hermia. However, Puck makes a mistake and because of it, both Lysander and Demetrius fall in love with Helena, which is not something Oberon wanted to happen.
The feelings of the crew vary depending on how they view the albatross.
When they view the albatross as a sign of good fortune, they are angry with the Mariner for shooting it. When they view the albatross as the one who brought the bad weather, they are glad the Mariner shot it. After the weather turns on them again, they again blame the Mariner for shooting the albatross, believing they are being punished for its death.
When they view the albatross as good, they are angry with the Mariner for killing it. When they view the albatross as evil, they are happy he killed it. Ultimately, they come to believe they are being punished for its death and are unhappy and angry with the Mariner.