What claim does the author make for the rise of yoga for people in the west

Yoga was introduced into the West by an Indian sage called Swami Vivekanada, who demonstrated Yoga postures at a World Fair in Chicago in the 1890s. This generated much interest and laid the grounds for the welcoming of many other Yogis and Swamis from India in the years that followed.

Explanation:

where are the answer choices?

i think the answer would mist likely be an adjective clause, because unhappy is an adjective.