What led up to it is more than I can tell you.
"We'll be once again talking games every day leading up to E3, which is just a few short weeks away."
They got off at the road that led up to their house.
Maybe she was going to lead up to it for him.
He was leading up to something, but she had no idea what.
He came to the walk which led up to the front door.
I couldn't think of any easy way to lead up to it.
She then allowed herself to be led up to the little room.
Everything in his life had led up to this point.
He could also see the walk leading up to the front door.
Phrasal Verbs