Answer: B is correct.
Explanation: there were many who wanted to follow isolationism arguing that the war was problem of Europeans, there were also those (many Americans were of European origin with their roots in different corners of the Old continent). Situation changed and USA (country of European origin and roots) entered the war and continued engaged in (especially) European security policy.
Answer:
Thank you so much it really helped!!
Answer:
Lenin and his followers overthrew the Russian czar and began the Russian Revolution.
Explanation:
He used a notebook to conduct conversations with friends, family and colleagues. That's all I know. I hope it helps!