Final answer:
The waltz gained popularity in the Romantic period as a courtship dance that involved spinning around the dance floor in a 3/4 time signature.
Explanation:
The dance that gained popularity in the Romantic period was the waltz. Originating in old Europe, the waltz involves dancers spinning around each other in a 3/4 time signature. It became a mainstay of social dance globally for over two centuries, spreading through European ballrooms and even crossing the Atlantic to find popularity in America.
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