allayed forces and the Germans

Allay is like comfort so maybe, "She allayed that girl."

alleviated, reduced, diminished, lessened, weakened, lightened, attenuated, allayed, eased, assuaged, palliated, relieved, toned down.

1. To reduce the intensity of; relieve: allay back pains. See Synonyms at relieve.
2. To calm or pacify; set to rest: allayed the fears of the worried citizens.

She was worried that I was going to steal her sandwich. But I allayed her fears by explaining that I had already eaten a dozen raw carrots.
I hope these facts will allay your fears.