What problem did thomas edison encounter after he invented the electric light-bulb

How did genocide in bosnia differ from genocide in rwanda?

How did the roaring 20s mark the end of the progressive era? a. mass production reduced wealth disparity and turned public opinion pro business b. labor unions won big legislative gains in workers rights and disbanded c. public officials cut taxes on businesses and reduced spending on services d. america increasing influence in world affairs redirected public attention to foreign policy

What role and side did italy fight on during world war 1? why did they change sides? write this in your own words.