View the effect from "For Want of a Horseshoe Sail."

King Richard was defeated in battle.

Which best identifies the cause that led to this affect?

AKing Richard offered to trade his kingdom for new house.

BKing Henry was the better fighter and horseman.

CKing Henry's horse panicked and galloped away

DThe blacksmith hammered three nails into each horseshoe.

Please answer only if you read the book! Thanks