If Cumberland had joined Harwood, would he have divided his cruisers differently against Graf Spee?
Short answerHe likely would have split the force more widely, using Cumberland, Exeter, and the Leanders on separate axes to constrain Graf Spee's escape options.
NotesThe answer splits the available cruisers across three directions. Cumberland and Exeter could approach on separate axes while the Leanders came from behind. Graf Spee would face converging pressure whichever way it turned. The arrangement demonstrates the value of dispersed scouting when several groups can close off a raider's choices.