Which word is closest to rodriguez's intended meaning of undoing in the sentence "immigrants seem to be bent on undoing america" (line 3)?

The correct answer is: Changing

The sentence "immigrants seem to be bent on undoing America" - quoted by Rodriguez - means that immigrants appear to be changing America.

Today, one of every five outsiders on the planet live in the United States, as indicated by the Pew Research Center report discharged Monday. Those workers and their kids have contributed an expected 55% of the nation's populace development amid that time; the U.S. populace as of now remains at right around 322 million. By 2065, almost 20% of individuals in the nation will have been conceived outside of American outskirts.
In 1965, 84% of Americans were non-Hispanic whites, 4% were Hispanic, and under 1% were Asian. In 2015, the numbers are incredibly unique: 62% of Americans are white, 18% of Americans are Hispanic, and Asians consider 6% of the people.

The answer is

Objective pronoun is the answer.