The one that does not have a strong influence on the American English in the Late Modern English period was A. Separation from England. Late Modern English is from 1800-present. The changes in vocabulary in this time was due to industrial revolution as well as scientific advancements and colonialism as well.
<span>The correct way to spell it would be: "unnecessary". I hope you find this useful, feel free to mark as brainliest, and good luck! :P</span>
