宣せん伝でん戦せん

noun

propaganda war

Refers to a competitive effort to spread one's own propaganda and counter the opponent's, often in political, military, or commercial contexts.

• 選せん挙きょが近ちかづくにつれて、各かく党とうの宣せん伝でん戦せんが激はげしくなった。

  As the election approached, the propaganda war among the parties intensified.

• 冷れい戦せん時じ代だい、米べいソは世せ界かい中じゅうで宣せん伝でん戦せんを繰くり広ひろげた。

  During the Cold War, the US and the Soviet Union waged a propaganda war around the world.