Help me please………………..

Suppose you need to verify how correctly use commas you open ur english textbook and scan the chaper titles in which one would most likey find the information you need

In at least one hundred words, explain how the structure of elizabeth bishop’s “sestina” to convey meaning in the poem. provide specific evidence from the text to support your response.

A) this was a stupendously important moment. b) your fate and mine are involved in his decision. c) if the stranger hadn't been there! but he was. and caesar crossed. with such results! d) perhaps the most celebrated turning-point recorded in history was the crossing of the rubicon.