For me to help you I would need to see the sentences and if it's dealing with Nazi's = Hitler, it probably was to harsh lol xD but don't put that just post the sentances lol
The "official answer"
World War 1 was started because there was a lot on tension between countries over who owns what territory. Then, Archduke Franz Ferdinand of Austria-Hungary was shot. This caused Austria-Hungary to go in a frenzy, and that was the beginning.
Organization of the Petroleum Exporting Countries (OPEC) was the organization that held a great influence over global politics and trade because of its control of oil reserves.
