Answer:
The correct answers are: change by region and use instruments and singing.
Step-by-step explanation:
The dances in each region are different, they vary according to culture and traditions, so we can say that it is a quite diverse field of art as it does not have a specific structure or order, which means in a certain way that this type movement and art is intrinsically part of the identity of the population in which it is found.
Folk dance is considered a way of expressing oneself through which an art is developed that in turn develops in those that manifest pleasant, almost homelike sensations and feelings, thus achieving a healthy spread of knowledge, cultures and the traditions of each country, each region and each town. Generally these dances or this type of art are based on the most relevant characteristics of a certain region, for this reason, it is called folkloric, each of these dances has something to express and manifest, a story, a poem, a song and all those things that can expose and elevate the culture and traditions of the particular region to which it belongs.