The answer is the first one, A
<span>If you take the case of the European, about 75% of all legislation is made at a supranational level. This encourages countries to work together, but the democratic process is not respected beyond national borders. In a globalized world, nations accept to delegate some of their powers, such as war conducting or tariffs in exchange for a stable world. This may mean having to negotiate with countries which are not democracies.</span>
http://www.bbc.co.uk/history/worldwars/wwtwo/area_bombing_01.shtml go through this web it will tell you
It can be seen through the term "silent majority", in which those who were against the Holocaust did not voice their opinions for fear of being oppressed by the Nazi Power, and were not able to stand together against the regime. Many people did not want the Holocaust to happen, but because they did not stand up against it & voice their opinion, it still occurred. Remember, those who know about the situation and stay in the sidelines are as bad as the perpetrators themselves.