Answer:
Letters and publications written by Nazi leaders before the Second World War.
Explanation:
This answer is correct because this historian is searching for the motives of these perpetrators, letters and publications can tell their thoughts and conversations.
Answer:
Belgium's ports were close to the British coast and German control of Belgium would have been seen as a serious threat to Britain. Britain refused to ignore the events of 4 August 1914, when Germany attacked France through Belgium. Within hours, Britain declared war on Germany.
Explanation:
The successful attempt to put the satellite Sputnik into space confirmed the fear of the US citizens that the Soviet Union was capable of potentially placing weapons into space (like missile-technology satellites, etc).
Answer:
English vamp! What was the situation in the Saint Domingue colony at the beginning of the 19th century?
Explanation:
just making a quicker answer for English users!