Identify the prepositional phrase. The headlines announced a truce between the two countries.

between the two countries.

between is a common preposition of place

.Prepositions of place:above, across, against, along, among, around, at, behind, below, beneath, beside, between, beyond, by, down, in, inside, into, near, off, on, opposite, out, over, past, through, to, toward, under, underneath

this answer was editing it cause i couldn't delete!

its a hard situation i cant really answer because the essay is for you to write.