Why do you think it was important for so many different groups to participate in the March on Washington?

Because this was a match for jobs and freedom from racial discrimination.

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.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.