(literary) they

an invasion

invade, militarily go into

a land, a large place / a country in general, a region / a country as in a nation, a state / the office of emperor, the crown; affairs of state / a province of ancient Japan

an enemy / revenge, vengeance / opponent (of the game or conflict) / (archaic, obsolete) marriage partner

an enemy / an opponent, a competitor / (historical) the other party in a lawsuit / 的: (historical) in the red-light district, a term of reference used between prostitutes and customers

的: (historical) (by extension from the red-light district usage) term of third-person reference: that guy, that one

(used after an adjective in the te-form) unbearable / unable to lose to; no match for

to rival

enemy / foe