Partisanship has not been that useful because it divided people on many things because most things are turned into partisan issues. Even when something is supported by both sides, one side will go against it just to spite it. Partisanship was also a problem in recent years because of the difference in what president was from which party in comparison to the majority in the congress, so the president couldn't do much. Also, people became much more radicalized than before.
Slavery was illegal in mexico
Wastewater discharge from hydroelectric power plants" is the correct answer
This was before the time of government oversight, so businesses disposed of hazardous materials in very damaging ways.
It was good but just take out the '' /''