Its probably B. its literally in the sentence <span />
The answer to this question is b
Answer: 1. To a vastly great extent or degree.
2. To an extreme or unusual degree, extent, etc.; extremely
Explanation: I looked in a dictionary
Personification. The author is treating the river like a person. When an object/animal/thing is talked about like a human being, then it is personification
Hello.
Why anyone would want an advantage for this, I don't know. It's nearly impossible to figure out any. Yet, I did. You're welcome.
Advantages:
✯ Everything would be harmonious, whether it be bad or good.
✯There would be no such thing as, "picky people."
✯There would be no arguments over social issues.
Disadvantages:
✯There would not be any variety that shapes communities.
✯Opinions would be virtually nonexistent.
✯Individuals would be prone to be controlled.
✯People's beliefs would be so similar that they'd become facts to them.