George Washington's army spent the winter of 1777-1778 at Valley Forge, facing extreme hardships such as cold weather and supply shortages. Despite the misery, it became a turning point for the army due to the training and resilience developed there. The answer to the question is C. Valley Forge.
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George Washington's army spent the winter of 1777-1778 at Valley Forge, where they endured severe hardships due to cold weather and supply shortages. This location became a significant point of resilience and training for the troops. Valley Forge symbolizes the determination of the Continental Army during the American Revolutionary War. ;