The correct answer is C.
A is incorrect because the battles were not at sea and had nothing to do with ships.
C is incorrect because the Crusades had nothing to do with contributing money to the Church (but rather defending it against Muslims).
D is incorrect because, although knights did wear these crosses, they, alone, were not the Crusades.
Answer: Yes, it is a dark horse.
Explanation:
US Civil War (american civil war) 1861-1865
Vietnam War 1961-1971
hopefully that helped some?!!<span />
Your answer to that would be A.