. . . . "2 merchant steamers" . "action of 10 March 1917" . "in action" . "a gun battle" . . "sinks New Zealand freighter" . "1917-03-10" . "10 March 1917" . . . . . . "exchanged fire and sank" . . . . "Action of 10 March 1917" . . . . . "enemy action 10 March 1917" . "intercepted and sunk" . "German victory" . "Action of 10 March 1917" . . "action" . "1 auxiliary cruiser" . .