Simplify the following text for a Grade 10 native English-speaking person.
Original: The 38th parallel northâ '' which divides the Korean Peninsula roughly in halfâ '' was the original boundary between the United States-occupied and Soviet-occupied areas of Korea at the end of World War II .
Simplified: The 38th parallel north cuts the Korean peninsula routhly in half . The parallel was the original boundary between the US-occupied and Soviet-occupied areas of Korea at the end of World War II .