Your so-called漂洋过海的勇气 stem from the well-known "Tail-wind", i.e

Your so-call 漂洋过海的"勇气" stem from the well-known "Tail-wind", i.e., the 2nd globalization, by which you know you are not going to fail.

If your kids have to 漂洋过海 from US now, they are going to fight against "head wind"...