I want to know the answer to the following question:
Which countries did the RSFSR border on the southeast?
All the background I'm provided with is that "The international borders of the RSFSR touched Poland on the west; Norway and Finland on the northwest; and to its southeast were the Democratic People's Republic of Korea, Mongolian People's Republic, and the People's Republic of China.". Is that enough to answer the question?
Answer: yes