89. Once ballet diffused and expanded to Moscow and St. Petersburg, the Tsarist nobility fell in love with the dance form. Then the Russians became the cradle for ballet with performances like "Swan Lake" and the "Nutcracker." Ballet also diffused and expanded from Russia into Eurasia to countries like Armenia and Georgia. The National Ballet in the Republic of Georgia is known as "Sukhishvili." In putting their own spin on the Italian-created dance, the Russians and Georgians unwittingly practice(d) what type of diffusion? Expansion diffusion
Relocation diffusion
Hierarchical diffusion
Stimulus diffusion
Contagious diffusion