Can you change the question to actually make sense please?
Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.
Answer:
When Bosnia and Herzegovina's independence was recognized by the United States and the EC on April 7, Bosnian Serb paramilitary forces immediately began firing on Sarajevo, and the artillery bombardment of the city by Bosnian Serb units of the Yugoslav army began soon thereafter.
Explanation:
<span>Salutations!
Shah Jahan constructed the Taj Mahal to serve as a _______ for his wife. </span>
<span>Shah Jahan constructed the Taj Mahal to serve as a mausoleum for his wife. A mausoleum is a tomb or group of tombs. Shah Jahan's wife Mumtaz Mahal was buried there.
Thus, your answer is option D.
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Hope I helped (:
Have a great day!