Achilles major flaw was that when he was a baby his mom didn't put his heel in the water, so he ended getting an arrow in his heel and that ended up killing him.
(c) was born in another country.
Explanation:
The term <em>first generation Americans</em> is used for people who were born elsewhere and immigrated to United States. These people were the first foreign born people to gain citizenship or permanent residency in United States.
Thus a first generation American can best be described as someone who was born in another country.