Which factors created rising tension between european powers between world war 1

The main factors for the rise of one of the greatest conflicts in the history of humanity, the First World War, were: militarism, the search for markets, labor and raw materials, formation of alliances and exacerbated nationalism, Aggressive shortly after the death of the archduke Francisco Ferdinando.

the expansion of armies through militarism
the growth of capitalism through free markets
the spread of nationalism through revolts
the creation of alliances through treaties
the influx of communism through dictatorships
the increase of imperialism through conquests