4. which of the following occurred in response to
the impact of industrialization?
a the reform of public education
b the union movement
c the reform of child labor practices
d all of the above
for bis inexpensive

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

could you give me the options ?

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

protect u.s. businesses from competition