What lessons does the progressive era offer about social problems in the united states today?

There are numerous lessons that the Progressive Era can offer about the United States and their social problems in 2017. Some of the lessons are; to educate women and minorities, to have a fair government, to have minimum wage, and they don't need to push all immigrant groups to be Americanized. Another thing that could help the social problems today is to still create fair and safe working conditions at every work site.

North korea is a communist and arrogant country that wants what it cant have.