So, to find out what IS a cause of the war we need to know M.A.I.N. That means Militarism, alliances, imperialism, and nationalism. That would mean the choices that aren't causes are totalitarianism, defense, and industrialism.
Through clues that hint to earlier versions of the legend through out history. Legends are often scrambled and tiny parts of it change from person to person after a while. Since legends tend to come out of thin air a lot of the times, or come from distorted experiences or facts, its hard to pinpoint exactly how they started. But, historical linguists can trace versions of the legend where it has come up before and find the original or close to original way it was told, then they can determine by the words that were used to describe it and how it was described when the legend surfaced.
America, according to the history books, had no choice but to release two atomic bombs on Japan. Now, the alternative would have been to attempt an overtaking of Japans biggest islands, killing thousands of more people than the bombs did. Japan was not backing down after the first bomb fell; given the circumstances America issued another bomb to fall.
I hope this answers you question!
1. The answer is B.
"A", only describes some of the results of the tension between the USSR and the western world during The Cold War.
2. A
While both have pretty radical policies (that was the Cold War, sigh), boycotting and embargoing non-aligned nations did it for me. Why oppress nations that could potentially be allies, 'down-the-road'?
