How does she starts to answer the question she poses in the first lines of the poem, “where can we find light in this never-ending shade”

The speaker begins to answer the question by using the metaphor of a new day, a dawn that comes after the darkness. She sees a nation that isn't broken beyond repair.

And yet the dawn is ours
before we knew it.
Somehow we do it.
Somehow we've weathered and witnessed
a nation that isn't broken,