What was one major outcome of the us decision to use atomic bombs against japan during world war ii

The surrender of the Japanese Empire, as well as the worlds first look at nuclear warfare

Japan surrendered without an invasion of the Japanese mainland.

Explanation:

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know