Is it befell or befell upon?

I'm writing an essay and this is the sentence I'm trying to figure out.

"One of the most historical watersheds befell (upon) the people of America."

What is the central message of The Rockpile by James Baldwin?

Which describes the use of a pessimistic tone in a story? The character is hopeful and thinks everything will turn out for the best. The character is upset and worried and is sure that things will turn out for the worst.

Which phrase does the protest document use to describe conscription?

How do scientists analyze empirical evidence?

What do pennant-shaped signs indicate? A) school crossing B) No Passing Zone C) Yield

Within the context of these four sentences, which is the resolution? Maura and her mother set out on a white-water rafting trip. Maura and her mother pull themselves out onto the riverbank.

What are 5 things parents have to give up when they have children

13. What causes Nelly to finally agree to take a letter from Heathcliff to Catherine?

What epic works did Milton use as sources for his great work?

A climactic conclusion to a research paper would be which of these? pleading quiet forceful inappropriate