If the distinction is not held too rigidly nor pressed too far, it is interesting to think of Shakespeare's chief works as either love dramas or power dramas, or a combination of the two. In his Histories, the poet handles the power problem primarily, the love interest being decidedly incidental. In the Comedies, it is the other way around, overwhelmingly in the lighter ones, distinctly in the graver ones, except in Troilus and Cressida--hardly comedy at all--where without full integration something like a balance is maintained. In the Tragedies both interests are important, but Othello is decidedly a love drama and Macbeth as clearly a power drama, while in Hamlet and King Lear the two interests often alternate rather than blend.
Harold C. Goddard, The Meaning of Shakespeare, Volume 2
love, power, shakespeare