Conversation so far:
What is Madhvacharya's biography?
Madhvacharya was a Hindu philosopher and the chief proponent of the Dvaita (dualism) school of Vedanta.
was Madhvacharya married?
What was Madhvacharya's greatest accomplishment?
Madhvacharya left the monastery, and began his own Dvaita movement.

Question: what was the movement?
Self-contained rewrite: What was the Dvaita movement?