Haelp ! will gib+ve brainliest and 20 !
as a result of photographers and journalists who shed light on poor conditions, changes were called for and instituted including laws that governed and working conditions.
dark rooms
wages
child labor
the use of chemicals

Initially, northerners did not want missouri to be included in the union because 1.) maine would not be allowed to enter the union as a free state 2.) missouri wanted to enter the union as a free state 3.) missouri wanted to enter the union as a slave state 4.) maine would not be allowed to enter the union as a slave state