e British Commonwealth and it Allies will destroy Nazi Germany. The keyword "tyranny” in this poster is primarily used to encourage viewers to feel sympathy for those who are forced to fight against such a hostile enemy. convince viewers that winning the war will result in a restructuring of the enemy’s unfair political system. inspire viewers to support the war effort by portraying the enemy as a cruel and unfair political force. empower viewers to join the military by suggesting that the war can be won only if everyone joins the fight.