It doesn't make sense as it is. Maybe something like this will do: Since we do not want to destroy each other with weapons of mass destruction, we employ soft power, which allows us to have influence over others without resorting to violence.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
lucas21cdeadly weapons of mass destructionA perfect example of tautology; generally considered bad form.