Question

why were the leader within Congress concerned about the starting of non cooperation movement

Answer 1

Many Congress leaders were reluctant to boycott the council elections scheduled for November 1920, and they feared that the movement might lead to popular violence.

In the months between September and December there was an intense tussle within the Congress. For a while there seemed no meeting point between the supporters and the opponents of the movement.

Finally, at the Congress Session at Nagpur in Dec. 1920, a compromise was worked out and the Non-cooperationprogramme was adopted.