What role, if any, do you think the Japanese attack on Pearl Harbor played in the United States’ decision to use two nuclear weapons against Japan? Once the U. S. had the weapons was using them against Japan just pay back?

It played no role,

Explanation:

The Reason the United states Deployed atomic weaponary on japan was due to the main war in the pacific on how ferocious the japanese fought on islands ageist the United States.

United States Military high command planned operation downfall which was the invasion of mainland japan which would require 6,000,000 Allied Troops to land and capture the mainland the High command knew that japanese civilians were gonna join ageist the fight ageist the imperialist (US/Allies) and therefor accounted 4,335,500 Military then 31,550,000 Civilian Combatants accounting it would be a massive bloodbath the Allied High Command with presidential Permission decided to use the atomic bombings which worked in bringing japan to the negotiation table.

the court ruled that a state law that banned abortions (except to save the life of the mother) was unconstitutional

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