The immediate cause of WWI was the assassination of Archdu--ke Franz Ferdinand.
<h3>What is World War I?</h3>
This refers to the international conflict between different nations as allies formed between the periods of 1914-1918 as militarism and imperialism were among the chief causes of the war.
Hence, we can see that some of the effects of the war were that:
It is correct, the active form of the sentence is PLEASE SIT DOWN, because <em>“You are requested to be seated “</em>is an imperative sentence in the passive voice .
