Answer:
Line, Colour, Space, Shape, Value
Explanation:
The aspect of of instruments that improved during the Romantic period was the valves. The correct answer is D, valves.
I believe the answer is: C. Decoration
In fashion, decoration refers to the external elements that added to the cloths in order to make it look more attractive.
In Victorian female Fashion for example, we could see the decoration resided mostly on the knee level to the chest level of the clothing.