Should a Superpower Establish a Sphere of Influence? This influence, that was felt around the world, led to many wars and possibly prevented a holocaust. It was a visible defensive action and an invisible security wall. The real importance of this question is not "should" a sphere of influence be established, but "why should" a sphere be established. Is it really to protect your neighboring nations for the evil of "capitalism" or "communism," no. A sphere of influence is a cushion to soften the blow if the enemy is attacking. Nuclear war would destroy everyone nothing a sphere of influ