Which action signaled the beginning of the cold war?

china’s continued threat to invade japan following world war ii

japan’s demands for reparations from the allies who used the atomic bombs

stalin’s refusal to remove soviet troops from eastern europe after world war ii

germany’s unwillingness to disarm

i just did something on this guy a few days a go give me two minutes to find it in my notes.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!