The collapse of the Ottoman Empire combined with which of the following to increase tensions prior to the start of World War I?

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

i think it would be reparing roads  

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.

food chain i would say only because there is competition on getting food and survival