During the Civil War, England and the Union were most nearly provoked

During the Civil War, England and the Union were most nearly provoked into war with each other by

A) the Trent affair involving the Union’s seizure of southern diplomats from an English ship.
B) English-made commerce raiders’ attacks on northern shipping.
C) the incompetence of the American ambassador to England, Charles Francis Adams.
D) England’s refusal to honor the Union blockade of southern ports.

ANSWER
A