Used until the end of the Second World War, the German army employed the U-boat to attack both military or civilian watercraft.
A. the German army employed the U-boat to attack both military or
~ Incorrect, the U-boat is used and not the German ArmyB. the U-boat was employed by the German army to attack both military and
~ Correct modiifier the U- Boat and the Both X and Y.C. the U-boat employed the German army to attack both military or
~ Incorrect correct usage is either X or Y.. Both X and Y.D. the German army had employed the U-Boat to attack both military and the
~ Incorrect, the U-boat is used and not the German ArmyE. the U-boat has been employed by the German army to attack both military and also
~ Incorrect usage it should be Both X and Y.