What's the Kennection? #90

Alaska is divided into twenty, and New York City into five, of what type of administrative unit?

Diane Keaton made her Broadway debut as one of the "Tribe" in what 1968 musical, though she never got naked at the end of Act I?

In 2013, The New York Times printed a "one-ingredient" recipe for what chocolate dessert, using only bittersweet chocolate and water?

The "Dalai" and the "Panchen" are the highest ranking masters to use what title for a teacher of Tibetan Buddhism?

Che Guevara wrote an influential 1961 book on what type of "Warfare"?

What's the "Kennection"?