Answer:
Serbia
Explanation:
Austria-Hungary declares war on Serbia. On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War
The answer for above statement is:
Germany
Explanation:
Between 1939 and Gregorian calendar month 1941 the German army invaded and occupied several countries, as well as Holland, Belgium, Luxembourg, France, Denmark, Yugoslavia, Greece, Kingdom of Norway and Western Poland.
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