By the end of the nineteenth century, industrialization’s impact on american life could be described as having
select one:
a. made class distinctions less apparent.
b. eliminated the gap between rich and the poor.
c. a drastic increase on enrollment in universities.
d. improved the standard of living for many families.

By the end of the nineteenth century, industrialization’s impact on American life could be described as having improved the standard of living for many families.

d. improved the standard of living for many families.

Explanation:

By the era of the nineteen century there was a problem of class divide between the rich and poor. The rich were getting richer and the poor were getting poorer.

Hence, There was a need for equal distribution of the classes and income among the society. Though there was a an improvement in the standard of living for many families but the class gap was eliminated.

answer; i believe the correct answer is (the willamete valley);

they supported black codes so the answer is a or b