 Complete the following phrase:  During the opening stages of the Korean War, M24s were the initial U.S. tanks directed to combat heavier and larger North Korean T-34-85s supplied by the Soviets. The occupation troops in Japan from which the Chaffee tanks were drawn were inexperienced and under-equipped due to rapid demobilization after World War II. One other reason for sending Chaffees to Korea initially was also partly because US officers did not regard Korea as a country where large-scale tank warfare could occur much of the Korean peninsula is largely mountainous and hilly and therefore sent lighter armored vehicles to combat the invading North Korean forces. The M24 fared poorly against the invading armys better-armed, better-armored and better-crewed medium tanks, losing most of their number while inflicting only minor damage on the T-34 tank units. Managing a fighting withdrawal, they ended up as infantry-support artillery in the 