What would a reunified Korea look like? Where would its capital be? Would it have a single unified military? What would happen to the North’s nuclear weapons? 

The election of pro-engagement Moon Jae-in ushers in a new era in North-South relations and makes these questions pertinent again. Moon is expected to resume the long delayed project of inter-Korean cooperation toward reconciliation and peaceful reunification—which began in 2000 after the historic summit between former leaders Kim Dae-jung and Kim Jong-il and was resumed by the late President Roh Moo-hyun before it was halted by the subsequent conservative administrations of Lee Myung-bak and Park Geun-hye.

Permanent peace on the Korean peninsula requires a settlement of the ongoing state of war between the United States and North Korea by replacing the armistice (a temporary ceasefire) signed…