During the early middle ages in europe who was subject to canon law

Canon Law or Ecclesiastical Law is the body of Law governing the Catholic Church. In this sense not only governs the Church itself but also the relationship between it and its external subjects, that is, all catholics. Sometimes argued as not always binding from a civil point of view, canon law was taken very seriously in the Middle Ages.

the speech revealed that eastern european countries were no threat to their neighbors, which led to the creation of the truman doctrine i think this might be correct.