go on vs march on

go on and march on both are verbs.

Word	Noun	Adjective	Verb	Adverb
go on	No	No	Yes	No
march on	No	No	Yes	No

As verbs, go on and march on are synonyms defined as:

Other synonyms of go on include advance, move on, pass on, progress.

go on (verb)	march on (verb)
come to pass	move forward, also in the metaphorical sense
continue talking
start running, functioning, or operating
move forward, also in the metaphorical sense
continue a certain state, condition, or activity