AQA A Level History Depth Study: International Relations and Global Conflict, c1890-1941 (A-level only) June 2019 question paper 7042/2K

With reference to these sources and your understanding of the historical context, assess the value of these three sources to an historian studying reactions to the assassination of Archduke Franz Ferdinand in June 1914.

How significant was the first Moroccan Crisis for international relations in the years 1904 to 1907?

How successful was the ‘Spirit of Locarno’ in securing international harmony by 1929?

‘The only reason why the USA entered the Second World War was the Japanese attack on Pearl Harbor.’

Assess the validity of this view.