What year did thomas edison invent the light bulb

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?

Brainliesttt !me : ) describe the event : increase in islamic extremis in the middle east

Pls quickly! which of the following statements about spanish plantations is not accurate? a. spanish plantation screw sugarcane for export to spain. b. the spanish had a little concern for the lives of the indians who worked on the plantations. c. spanish presentation grew a wide variety of crops and sent the produce to many different european countries. d. to replace the native americans our dying off the spanish important african slaves.