Answer:
Because it is very abrupt, and you don't want to just end an essay that way because it doesn't make the reader want to believe what you wrote due to how informal it is. you want to have ecleast 3 sentences in you conclusion as well. You want to add a little more information to your conclusion, like recaping what you wrote in your essay to put that information back in the readers mind in case they forgot what you had said before.
Literature is almost an unspoken language. There are so many ways to interpret and argue with it, that it compels writers to test past arguments, inquire on scholarly findings and revamp literature in his or her own way. It can benefit us professionally because it forces us to dig into the flesh of text to figure out the message that the author tried to relay to us. Personally it can help us to strengthen our own vocabulary or writings.
Is Washington DC a state, How many islands are in Hawaii, which is bigger, Texas or Alaska? Hope these help