Answer:
The main purpose of a presidential inauguration is a symbolic gesture that invited all people In United States to set aside our difference during the election and respectfully accept the decision of the majority.
IT's an important process that marked the end of past presidential term and the start of the new ones.
Poets generally understand how to use speech in order to create a certain emotion within the audience. They can use this ability to create that sense of patriotic and Unity that wanted to be conveyed by the new cabinets.