What is the theme of Edwards' message to his congregation?

Edwards' most developed theme in his sermon was: obedience and repentance will profit a reward for the future.

Given the "risk balance" why were people always afraid of nuclear war? ... It led all superpowers to avoid launching a nuclear attack because if one side launched a nuclear attack, the other side would retaliate, destroying all sides.

Explanation: i believe that people fear nukes is because the impact of the explosion and sound makes a massive impact to the civilization.