Answer:
many of the powerful supported the idea of a strong Germany expanding its borders to provide a buffer zone between themselves and the feared communists. If Stalin struck and tried to invade the west, a heavily militarized and enlarged Germany with a strong dictator who hated communism would buy them time to prepare a counter attack. Therefore, they essentially turned a blind eye to what Hitler was doing in violating international law.
Step-by-step explanation:
(In easier words, communism helped Germany become a stronger, more powerful, and prepared country with a prepared military in case of an attack.) They also used Hitler as their leader.