What was the significance of the 38th parallel before the Korean War

It was the location of the Yalu River boundary between North Korea and China. It served as the boundary between North Korea and South Korea. It marked the first site of North Korean aggression.Hope this helps.☺️

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.