Do you see anything in the rhythm or rhyme of this poem that goes well with the theme of snowflakes? poem snowflakes by Henry Longfellow

Idon't know which one from these two forms is correct! "he believed that the technology of the future would allow robots to do the same tasks as a human." or "he believed that the technology of the future would have allowed robots to do the same tasks as a human. , it's ! i need your !