(A) press down
(B) pressing forward
(C) ** to put an end to something
EXPLANATIONS BELOW
Concept note-1: -To suppress something means to curb, inhibit, or even stop it.
Concept note-2: -sup·press sə-ˈpres. : to put down by authority or force. suppress a rebellion. : to keep from being known. tried to suppress the news.
Concept note-3: -smother. clamp down (on) snuff (out) decimate. annihilate.