Answer:
Because this was a match for jobs and freedom from racial discrimination.
Step-by-step explanation:
It was good for so many groups to participate in this match to Washington because the March was against injustice, and it was a match go freedom.
The March on Washington was a match for Jobs and Freedom. This political demonstration took place in Washington, D.C. in the year 1963. The march was orchestrated by civil rights leaders and they were marching in protest of racial discrimination and also they were showing support for several civil rights legislation they considered major which the congress was yet to give a rule on.