How do the commas in the passage below the reader read more fluently?

through this endeavor, he met nancy newhall, a historian, museum administrator, and a writer-designer, with whom he developed a lifelong friendship.
a.
separates different professions
c.
describes nancy hall
b.
slows reader down
d.
all of the above

to avoid unnecessary repetition, not every chapter has a map exercise attached. write a one or two-sentence answer explaining the significance of the items 7, ¶ 3-4 - civilization began in the fertile crescent because villages needed careful “in an epic tale told not long after his reign, we find gilgamesh claiming

its passive

active

passive

active