Torpedoes.
Rockets = Air/Land combat
Torpedoes = Naval combat
AR15s = Soldier/personal defence
Pistols = Soldier/personal defence
To go over everything and see your results.
The answer is D I’m pretty sure of it.
The triangle stopped first at the the West Indies from Africa where most slaves were pulled off board, then sent on to ports such as New Orleans to be sold. In this context, the closest would be A.