Final answer:
The best revision of the sentence is 'Micaela expresses a contrasting perspective about her grandmother's feelings towards the United States.'
Step-by-step explanation:
The best revision of the given sentence using academic vocabulary would be:
Micaela expresses a contrasting perspective about her grandmother's feelings towards the United States.
This revision uses the word 'contrasting' instead of 'opposite' to emphasize the difference in views, and 'perspective' instead of 'view' to sound more academic. Additionally, the phrase 'expresses a contrasting perspective' conveys a more professional tone.