Respuesta :
Answer:
Option A. The United States' use of atomic weapons.
Explanation:
After the release of atomic bombs on the Japanese cities of Hiroshima and Nagasaki, the Japanese empire ceased fire and stopped posing any threat to the allies.
In the aftermath of the bombing, Japan was under the United States' occupation. General Douglas McArthur travelled personally to Japan in order to formally accept the empire's surrender with the signing of an armistice.