Which composer is often grouped with early nationalistic composers because of his affinity for the mazurkas and polonaise compositions for solo piano written in the style of polish folk dances?
a.) tchaikovsky
b.)chopin
c.)cui
d.)dvorak

The correct answer should be B. Chopin.
Many of his compositions were based on traditional Polish dances such as the mazurkas which is evident if you listen to some of them. He was influenced by Polish traditional music and often included nationalistic sounds in his compositions.