Question

why was the khalifat movement supported by gandhiji in 1919 what was his main aim

Answer 1

its main aim was to protest against the British...
as they had toppeled the Turkish empire during the world war...
secondly Hindu Muslim unity..

Answer 2

Turkey suffered injustice at the hands of the British after the First world war. Ali brothers- Mohammad Ali and Shaukat Ali, started the Khilafat movement against the British to undo the injustices. later on, under the leadership of Gandhiji, the Khilafat movement became a part of the Indian national struggle.