What was an important labor reform during the progressive era?

a. securing workers’ compensation
b. reforming the tax system
c. limiting the workday to eight hours
d. forming the first unions

Brainliestttme : describe the following event: increase in islamic extremism in the middle east

Which statement in the passage best reflects sumer's opinion of the dred scott decision? a."i speak what cannot be denied." b."[the] judgment was sustained by a falsification of history." b."the opinion was more thoroughly abominable than anything history." i speak what cannot be denied when i declare that the opinion of the chief justice in the case of dred scott was more thoroughly abominable than anything of the kind in the history of courts. judicial baseness reached its lowest point on that occasion. you have not forgotten that terrible decision where a most unrighteous judgment was sustained by a falsification of history. -charles sumner, 1865

How and why did british north american colonists fight a revolution to create a constitutional republic, the united states of america?