march on

verb3

1. •
   To protest (a place or institution).

   • We're going to march on City Hall!
2. •
   To invade or attack (a place); to move towards a place in preparation for an attack.

   • At dawn, we march on the city.
3. •
   To continue or keep on.

   • This process has marched on no matter how we try to stop it.