Ow did the new diplomacy of 1919 differ from the old?

1) No plagiarism;
2) High quality master essay on 5ooo words;
3) bibliography is not inclusive in a number of words;
4) Use footnotes for every citation of specific facts;
5) Put quotations in quotation marks and incorporate in the text. Like (Underhill 2005: 267)
6) Please mark any quotation in order to avoid plagiarism;
7) no endnotes;
8) I will attach essential bibliography list later which ought to be used;
9)some of the articles and discussion papers will be provided as well;
10) The topic should be discussed and include answers on following issues:
diplomatic system that existed before First World War (mainly around 1900 between great powers);
to what extent the outbreak of WW! is the failure which lies in the diplomatic system itself;
what was meant by new diplomacy that developed as a result of the First World War?;
how did it differ from the old diplomacy and what were the old and new elements in the 1919 peace settlement.
11) support any evidence and difference with the example of states (great powers)