What is the main reason to pay attention when selecting where to use ellipses in a quote

Carefully retyoe the sentence , when we are in washington, d.c, we like to visit the smithsonian institution and the washington monument

How does langston hughes incorporate meter into his poetry? he envisions a blues singer, singing a raggy tune . he incorporates it to reflect a blues musical timing. he writes jingles for the advertising of depression medication.

Which excerpt from rudyard kipling’s the white man’s burden conveys