Its not much but, C IS NOT THE ANSWER. So cancel c from choosing, srry i couldnt be as of much help:(
The quarantine speech was an intervention
Answer:
It stretched from the Baltic Sea in the north to the Black Sea in the south, involved most of Eastern Europe, and stretched deep into Central Europe as well. The term contrasts with "Western Front", which was being fought in Belgium and France.
Explanation:
Deeply divided... i hope this helps