Answer: A) The assassination of the heir to the Austrian throne
Explanation: All offered options except the first one, contributed in the long run to the First World War. The intertwining interests of the colonial powers on the one hand, and the rise of nationalism among the entities in the various empires on the other, have for decades created a tension that will result in a major showdown in WWI.
What was the immediate cause and spark for the beginning of the WWI itself, was certainly the assassination in Sarajevo on June 28, 1914, when Austrian Archduke Ferdinand was killed. After that, Austria Hungary declared war on Serbia, after which great powers entered the war, to the extent of World War.
A rumor started saying that the cartidges that they were using were greased up with cow and pig fat. (muslims don't eat pork and hindis worship cows as a holy animal)
<h3>It is too often tied up in judgements. We say that more group is civilized if it behaves in ways that we think are appropriate. We think that societies are civilized is they act like "good" people as opposed to acting like "savages".</h3>