"The fact that I've met people who've heard of or have relatives in that village is beyond comprehension," she says.
But it's disorienting to be back in the United States, at a huge university like Harvard. Everything is so different from Ghana and from life in high school.
"It's hard to know where other people stand," she says. "I feel very not confident.
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"There's a huge sense of randomness. I have to get with the program."