What happened when companies discovered loopholes in the laws passed to regulate commerce

Which progressive reform was least related to the causes and effects of world war i? legislation limiting the use of child labor establishing 8-hour workdays for railroad workers reducing tariffs on imported goods expanding women’s rights and the right to vote

What is the liberal pov on social issues

1. the fifteenth amendment guaranteed for all us citizens, regardless of "previous condition of servitude." freedom citizenship voting rights religious tolerance 2. which group was still not allowed to vote following passage of this amendment? women poor men rich men former slaves 3. the fifteenth amendment was the last of the amendments. carpetbagger lincoln reconstruction scalawag