Conversation so far:
how did the continental army transform itself at valley forge?
Valley Forge was where George Washington proved his mettle and transformed a battered Continental Army into a unified, world-class fighting force capable of beating the British.
who helped with the transformation of the Continental Army into a unfied, world-class fighting force at Valley Forge?
former Prussian military officer Friedrich Wilhelm Baron von Steuben

Question: what were the conditions?
Self-contained rewrite: what were the conditions for the Continental Army at Valley Forge?