ILL GIVE BRAINLIEST FOR CORRECT ANSWER Which detail in "From Barter to Bitcoin" supports the conclusion that currency can be anything that everyone agrees has value?

A: “Other items used as currency in different parts of the world include polished stones, glass beads, furs, cattle, and even fish.”
B: “The word currency comes from a Latin word meaning 'to circulate.'”
C: “The U. S. dollar is just one of 180 modern currencies.”
D: “Coins are handy as currency, small and easy to carry.”

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Read the excerpt below and answer the question. "you just don't understand," she said, as maggie and i came out to the car. "what don't i understand? " i wanted to know. "your heritage," she said, and then she turned to maggie, kissed her, and said, "you ought to try to make something of yourself, too, maggie. it's really a new day for us. but from the way you and mama still live you'd never know it." in the excerpt above, what can the reader infer about dee's opinion of her sister? she admires maggie for preserving the family traditions. she feels superior to maggie because she is uneducated. she feels sorry for maggie because of her poverty. she respects maggie because of her resilience.

What point is the author trying to make by comparing the travel times of the first transcontinental railroad and the first transcontinental flight?