Answer:
B) Nuclear Warfare
Explanation:
B) nuclear warfare is the most possible answer since both russia and Us had nuclear weapons at the time, and both countries were threatening each other. But were the cold war get hot, I personally believe nuclear warfare wouldn't have happened because of MAD -- Mutually Assured Destruction. If Russia nuclear bombed US, then it was certain that US would bomb Russia and both countries would be completely decimated so there was no point in Nuclear Warfare.
Answer:
A terrible famine in Ireland.
Explanation:
The British were very unfriendly to any kind of Irish nationalism and they cracked down hard. Ireland was primarily reliant on potatoes, and there was a horrible famine. Millions starved, and the British did little to help.
Irish immigrants had a very low standing in America, and were persecuted.
There wasn't free land in the West for the Irish.
The Irish people were not necessarily skilled artisans or craftsmen. Many of them were farmers, peasant folk, or factory workers who bargained their way to America.
The Iconoclast controversy caused the banning of religious icons in Christianity and the killing of supporters of the veneration of icons. The iconoclast controversy happened twice during the Byzantine Empire. This impacted the growing divergence between Western and Eastern Christian traditions, but the Western Church stood firmly with the belief that icons could be used, but the Church was still unified at the time.
The obvious answer would be business leaders. The reason why this is true is becaus business leaders were often the ones who were touting the ideas of social darwinism and how their company is better and will stomp out the smaller one in proper sociodarwinistic fashion.