What stopped the advance of the north korean army on august 4, 1950?

The lack of supply and massive losses stopped the North Korean troop’s advancement. Additionally, the lack of aircraft means the most critical items to be imported from China were not successful.

During the Battle of Pusan, North Koreas Korean People Army set to advancement when Taegu was captured. They attempted to envelop the Pusan Perimeter from all sides, but South Koreans resisted. A series of staged attacks on United Nation also collapsed and made the importation hard.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.