As a result of japans increasing use of suicide attacks in 1945, allied leaders began

The answer is:
Allied leaders began developing more accurate and effective anti-aircraft weapons
The choices are:
A) decreasing the number of bombing raids on Japanese cities.
B) developing more accurate and effective anti-aircraft weapons.
C) thinking of a new strategy besides invading the Japanese mainland. D) weighing the pros and cons of surrendering to the Japanese.