What happens during vanessa negretes choreographed dance, know as a vals?

Surrounded by young men in white suits, she shyly began performing the first steps of a vals—a carefully choreographed formal dance. About 300 fascinated guests watched as Negrete's escorts, known as her chambelanes, lifted Negrete high above their heads. They twirled her in a full circle before setting her back down.

Explanation:

the author is showing that it is the insatisfaction of basic needs that brings about the protests such as the strikes.if workers do not earn enough to buy food and feed their families and themselves in order to continue working, what is the use of working? besides, another message from the author is that of the owners of factories should be worried about ensuring their furure by having a second and third generation of workers in their industries.if they do not hear the workers demands, they will not have any more workers to make their pockets full.