it was necessary
Because it was necessary.
It had to be done, I thought.
It was necessary.
Tom n'a pas pu emprunter autant d'argent qu'il le fallait.
Tom couldn't borrow as much money as he needed.
Lena avait dû insister lourdement avant que je comprenne qu’il le fallait.
Lena had to insist heavily before I understood that it was necessary.