Was WW1 inevitable or avoidable?

Description Using International Relations Theories such as Classical-Realism, Classical-Liberalsim, Neo-Liberalism, Neo-Realism. Research, Reference, Discuss and Explain if WW1 was inevitable or avoidable. Using both Historial events and key International Relation literature on the subject area. Use Harvard referencing style and make sure you clearly show when you are referencing so not to get the essay failed for plagerism Keep to no more that 2200 words excluding bibliography.