Which statement about thomas edison is true?
a. he revolutionized the machines used to plant crops.
b. he created the first system of mass manufacturing.
c. he created the first company for distributing electricity.
d. he developed the first steam engine in the united states.

c. He created the first company for distributing electricity.

Thomas Edison created the first company for distributing electricity.

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict