The location of the Balkans, and with some countrymen controlled by other countries, became the boiling pot of Europe. Being a nationalist means being a patriot and to be independent of your own country which you're proud of, while imperialism is dedicated in grabbing more foreign lands.Germans felt that there are a lot of areas that were conquered by England and France already, and that led Germany to have conflict with the two countries as it plans to make a navy and conquer more lands. Militarism also became a conflicting matter as they provided military aid to their allies, and that led Russia to become a militarist by helping England and France to fight agains Germany - which got allied with Austria and Hungary.