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

importance

appeasement policy

nanshin, Imperial Japan's policy of southern expansionism towards southeast Asia and the Pacific Islands

playoff; tiebreaker; a match to decide (something such as the winner)

(computing) decision tree

self-determination

definitive edition / (of a document): final version / last word

countries

(idiomatic) support, take someone's side, stand by someone