The limit is in place because the point of twitter is for SHORT updates about what you are doing, not to rant or have long conversations.
Twitter actually only allows 140 characters, not 140 words. The reason for this is that it was designed to work with SMS Text messaging, meaning that it is possible to send and receive twitter messages by texting with a mobile phone. SMS text messages are typically limited to 160 characters.
Twitter reserved the extra 20 characters for attribution purposes, so that there is room for things such as the name of the message center. If you are curious as to why text messages are limited to 160 characters, this article explains it: latimesblogs.latimes.com/technology/2009... In short, the goal was to create a message format that would be as small as possible to prevent overloading early communications networks with too much data, yet still be long enough to allow for meaningful communication. A researcher sat in front of a type writer and wrote a lot of random sentences, and then calculated the average sentence length and decided that 160 characters would be "perfectly sufficient".
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.