Progressives sought to solve the problems that had been created by rapid immigration, and urbanization.
1. unionization
2. segregation
3. industrialization

Option 3. Progressives sought to solve the problems that had been created by rapid industrialization, immigration, and urbanization.

Explanation:

The period in United States' history that goes from 1890 until 1920 is known as the Progressive Era. As the name indicates, this era is characterized by a social and political reform made in an effort to make a better society with better standards of living for its citizens.

The Era was an answer to all of the negative impacts the rapid industrialization, huge waves of immigrants arriving all together at the country, and urbanization had on a society that was not completely ready to handle all of this drastic changes.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts