I want to know the answer to the following question:
Who had to agree to the US's decision to divide Korea at the 38th parallel?
All the background I'm provided with is that "Stalin, however, maintained his wartime policy of co-operation, and on 16 August the Red Army halted at the 38th parallel for three weeks to await the arrival of U.S. forces in the south.". Is that enough to answer the question?