In 1948, the Republic of Korea was created under the leadership of the seventy-year-old Syngman Rhee, a crusty conservative with a PhD from Princeton. Kim Il-sung, an anti-Japanese resistance fighter backed by Moscow, quickly followed suit by declaring his state the Democratic People’s Republic of Korea—North Korea. The line along the 38th parallel would solidify into a 155-mile-long, 2.5-mile-wide thicket of concertina wire, tank traps, trenches, embankments, moats, artillery pieces, and land mines.
