Which cause of ww1 had the most impact starting the war?

answer:

hello there,i'll give you the answer!

the assassination of austrian archduke franz ferdinand (june 28, 1914) was the main catalyst for the start of the great war (world war i). after the assassination, the following series of events took place: • july 28 - austria declared war on serbia.

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i believe it to be a democracy

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.