What's the purpose of the conclusion of a nonfiction text?

Can some one me with english? modernist poetry broke traditions in works that did all of the following except: question 1 options: a) experimented with language, symbolism, and imagery b) challenged rules about point of view, rhyme scheme, meter, and capitalization c) focused on the poem’s appearance on the page as a form of self-expression d) addressed subjects and ideas that had been explored in poetry for centuries.

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

Which event occurred in the nearly two-year time span between act 3 and act4 of the tragedy of julius caesar?