Answer
Coal spontaneously combusted
Explanation
There are many theories for the cause of the United States the USS Maine explosion with Us men aboard where many died. According to the United States Naval Investigative team team their research concerning this incident , they came to a conclusion that the explosion was caused by fire that had ignited the ammunition stock. According to these investigators there was a strong evidence that the explosion of Maine was caused by an internal coal fire which ignited the magazines. This was a likely cause of the explosion, rather than the initial hypothesis of a mine
They were classified into four social classes: the king and aristocracy, the military, artisans and craftsmen, and peasants. Members of the aristocracy were the most respected social class, and were responsible for governing smaller areas of the dynasty.
This is a <span>list of wars involving Germany</span> since unification in 1871.
<span><span>German Empire (1871–1918)
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Weimar Republic (1919–1933)
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German Reich (1933–1945)
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Federal Republic of Germany (1990–present). Heres the answer I hope I helped.</span></span>