What are some of the differences between modern and postmodern literature?

The fundamental difference between modernism and postmodernism is that modernist thinking is about the search of an abstract truth of life while postmodernist thinkers believe that there is no universal truth, abstract or otherwise.

Explanation:

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in ray bradbury's short story "a sound of thunder", mr. eckels's fearfulness leads to drastic consequences for the rest of the world.

in the story, mr. eckels, who is a hunter, hires a time travel company to travel to the age of dinosaurs. although he is excited for the hunting expedition at the beginning, when they reach there and mr. eckels sees the tyrannosaurus, he feels frightened. as he is afraid of the tyrannosaurus, he steps off the path although he has been warned not to do it. by stepping off the path, the entire course of the future is affected: mr. eckart alters the future by stepping on a butterfly, which causes a new man to be elected president in the future. in that way, it is mr. eckart's fearfulness what triggers 'the butterfly effect' and what leads to drastic consequences for the rest of the world.

in my opinion, anyone should be allowed to marry as long as it's not going against any laws. though i kind of contradict myself because i know that in some states and countries, gay marriage isn't legal yet- hopefully you get my point.