B because none of the other things happened. A massacre is when a group of people with no defense are murdered.
Answer: Cavalry (soldiers on horseback) used pistols and sabers to fight with as they were easier to use while riding a horse. Soldiers often carried knives or small hatchets, but these were rarely used in major battles. Both sides used similar tactics in fighting a battle. The soldiers would form rows of long lines.
Explanation:
May you explain to me what you need help with ?
Answer:
U.S. officials overlooked Japanese forces' preparations for war, and missed warning signs of the impending attack.