5. how did zoning laws to reduce the danger from pollution?
-they required factories to limit their use of chemicals.
-they kept factories outside of residential neighborhoods.
-they relocated factories to rural areas far away from cities.
-they established building codes to reform factory plumbing.

6. what was the effect of the bull moose party’s entrance into the presidential election of 1912?
-it split the republican vote and allowed the democrats to win.
-it prevented any of the three parties from winning a majority of electoral votes.
-it split the democratic vote and allowed the republicans to win.
-it stole votes from the other parties to win the election.